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<title>Spring 08, Math 108, Sample Final Test</title>



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<center>Math 108</center>
<center>Sample Final Test</center>
<br/>

<div class="Section1">


<p class="MsoNormal">1. Determine  the
function <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaWG4bGaaiykaaaa@392F@</m:annotation>
 </m:semantics>
</m:math> for which <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mn>2</m:mn><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mn>5</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaaIYaGaaiykaiabg2da9iaaiwdaaaa@3AB3@</m:annotation>
 </m:semantics>
</m:math> and <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:msup>
    <m:mi>f</m:mi>
    <m:mo>&#x2032;</m:mo>
   </m:msup>
   <m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mn>3</m:mn><m:msup>
    <m:mi>x</m:mi>
    <m:mn>2</m:mn>
   </m:msup>
   <m:mo>&#x2212;</m:mo><m:mn>4</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmOzayaafaGaaiikaiaadIhacaGGPaGaeyypa0JaaG4maiaadIhadaahaaWcbeqaaiaaikdaaaGccqGHsislcaaI0aGaamiEaiabgUcaRiaaigdaaaa@4133@</m:annotation>
 </m:semantics>
</m:math>.</p>

<p class="MsoNormal">2. Determine the function <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaWG4bGaaiykaaaa@392F@</m:annotation>
 </m:semantics>
</m:math> for which <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mo>&#x2212;</m:mo><m:mn>2</m:mn><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mn>1</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacqGHsislcaaIYaGaaiykaiabg2da9iaaigdaaaa@3B9C@</m:annotation>
 </m:semantics>
</m:math> and <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:msup>
    <m:mi>f</m:mi>
    <m:mo>&#x2032;</m:mo>
   </m:msup>
   <m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mfrac>
    <m:mrow>
     <m:msup>
      <m:mi>x</m:mi>
      <m:mn>2</m:mn>
     </m:msup>
     <m:mo>&#x2212;</m:mo><m:mn>3</m:mn><m:mi>x</m:mi>
    </m:mrow>
    <m:mrow>
     <m:mn>2</m:mn><m:mi>x</m:mi>
    </m:mrow>
   </m:mfrac>
   
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmOzayaafaGaaiikaiaadIhacaGGPaGaeyypa0ZaaSaaaeaacaWG4bWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0IaaG4maiaadIhaaeaacaaIYaGaamiEaaaaaaa@40A1@</m:annotation>
 </m:semantics>
</m:math>.</p>

<p class="MsoNormal">3. Determine the function <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaWG4bGaaiykaaaa@392F@</m:annotation>
 </m:semantics>
</m:math> for which <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mn>1</m:mn><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mo>&#x2212;</m:mo><m:mn>4</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaaIXaGaaiykaiabg2da9iabgkHiTiaaisdaaaa@3B9E@</m:annotation>
 </m:semantics>
</m:math> and <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:msup>
    <m:mi>f</m:mi>
    <m:mo>&#x2032;</m:mo>
   </m:msup>
   <m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mfrac>
    <m:mrow>
     <m:msup>
      <m:mi>x</m:mi>
      <m:mn>2</m:mn>
     </m:msup>
     <m:mo>+</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn>
    </m:mrow>
    <m:mi>x</m:mi>
   </m:mfrac>
   
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmOzayaafaGaaiikaiaadIhacaGGPaGaeyypa0ZaaSaaaeaacaWG4bWaaWbaaSqabeaacaaIYaaaaOGaey4kaSIaaGOmaiaadIhacqGHRaWkcaaIZaaabaGaamiEaaaaaaa@4178@</m:annotation>
 </m:semantics>
</m:math>.</p>

<p class="MsoNormal">4. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow><m:mo>&#x222B;</m:mo>
     <m:mrow>
      <m:mo stretchy='false'>(</m:mo><m:mn>3</m:mn><m:msup>
       <m:mi>x</m:mi>
       <m:mn>2</m:mn>
      </m:msup>
      <m:mo>+</m:mo><m:mn>1</m:mn><m:mo stretchy='false'>)</m:mo><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo>&#x2212;</m:mo><m:mn>2</m:mn><m:mo stretchy='false'>)</m:mo><m:mtext>&#x2009;</m:mtext><m:mi>d</m:mi><m:mi>x</m:mi>
     </m:mrow>
    </m:mrow>
    
   </m:mstyle>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaacaGGOaGaaG4maiaadIhadaahaaWcbeqaaiaaikdaaaGccqGHRaWkcaaIXaGaaiykaiaacIcacaWG4bGaeyOeI0IaaGOmaiaacMcacaaMe8UaamizaiaadIhaaSqabeqaniabgUIiYdaaaa@44FE@</m:annotation>
 </m:semantics>
</m:math></p>

<p class="MsoNormal">5. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow><m:mo>&#x222B;</m:mo>
     <m:mrow>
      <m:mo stretchy='false'>(</m:mo><m:mn>3</m:mn><m:msup>
       <m:mi>x</m:mi>
       <m:mn>2</m:mn>
      </m:msup>
      <m:mo>+</m:mo><m:mn>1</m:mn><m:mo stretchy='false'>)</m:mo><m:msup>
       <m:mi>e</m:mi>
       <m:mrow>
        <m:msup>
         <m:mi>x</m:mi>
         <m:mn>3</m:mn>
        </m:msup>
        <m:mo>+</m:mo><m:mi>x</m:mi><m:mo>&#x2212;</m:mo><m:mn>7</m:mn>
       </m:mrow>
      </m:msup>
      <m:mtext>&#x2009;</m:mtext><m:mi>d</m:mi><m:mi>x</m:mi>
     </m:mrow>
    </m:mrow>
    
   </m:mstyle>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaacaGGOaGaaG4maiaadIhadaahaaWcbeqaaiaaikdaaaGccqGHRaWkcaaIXaGaaiykaiaadwgadaahaaWcbeqaaiaadIhadaahaaadbeqaaiaaiodaaaWccqGHRaWkcaWG4bGaeyOeI0IaaG4naaaakiaaysW7caWGKbGaamiEaaWcbeqab0Gaey4kIipaaaa@47A0@</m:annotation>
 </m:semantics>
</m:math></p>

<p class="MsoNormal">6. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow><m:mo>&#x222B;</m:mo>
     <m:mrow>
      <m:mfrac>
       <m:mrow>
        <m:mn>1</m:mn><m:mo>+</m:mo><m:msup>
         <m:mrow>
          <m:mo stretchy='false'>(</m:mo><m:mi>ln</m:mi><m:mo>&#x2061;</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo>
         </m:mrow>
         <m:mn>2</m:mn>
        </m:msup>
        
       </m:mrow>
       <m:mi>x</m:mi>
      </m:mfrac>
      
     </m:mrow>
    </m:mrow>
    
   </m:mstyle><m:mtext>&#x2009;</m:mtext><m:mi>d</m:mi><m:mi>x</m:mi>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaadaWcaaqaaiaaigdacqGHRaWkcaGGOaGaciiBaiaac6gacaWG4bGaaiykamaaCaaaleqabaGaaGOmaaaaaOqaaiaadIhaaaaaleqabeqdcqGHRiI8aOGaaGjbVlaadsgacaWG4baaaa@433D@</m:annotation>
 </m:semantics>
</m:math></p>

<p class="MsoNormal">7. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow><m:mo>&#x222B;</m:mo>
     <m:mrow>
      <m:mo stretchy='false'>(</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo stretchy='false'>)</m:mo><m:msup>
       <m:mi>e</m:mi>
       <m:mrow>
        <m:mn>4</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn>
       </m:mrow>
      </m:msup>
      <m:mi>d</m:mi><m:mi>x</m:mi>
     </m:mrow>
    </m:mrow>
    
   </m:mstyle>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaacaGGOaGaaGOmaiaadIhacqGHRaWkcaaIZaGaaiykaiaadwgadaahaaWcbeqaaiaaisdacaWG4bGaey4kaSIaaGymaaaakiaadsgacaWG4baaleqabeqdcqGHRiI8aaaa@42F9@</m:annotation>
 </m:semantics>
</m:math></p>

<p class="MsoNormal">8. Find the area of the region bounded by the graphs of <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>y</m:mi><m:mo>=</m:mo><m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mo>&#x2212;</m:mo><m:msup>
    <m:mi>x</m:mi>
    <m:mn>2</m:mn>
   </m:msup>
   <m:mo>+</m:mo><m:mn>5</m:mn><m:mi>x</m:mi><m:mo>&#x2212;</m:mo><m:mn>6</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2da9iaadAgacaGGOaGaamiEaiaacMcacqGH9aqpcqGHsislcaWG4bWaaWbaaSqabeaacaaIYaaaaOGaey4kaSIaaGynaiaadIhacqGHsislcaaI2aaaaa@4361@</m:annotation>
 </m:semantics>
</m:math>,
the <i >x</i>-axis, the lines <i
>x</i> = 1 and <i >x</i> = 4.</p>

<p class="MsoNormal">9. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow><m:munderover>
     <m:mo>&#x222B;</m:mo>
     <m:mn>2</m:mn>
     <m:mn>4</m:mn>
    </m:munderover>
    <m:mrow>
     <m:mstyle displaystyle='true'>
      <m:mrow><m:munderover>
       <m:mo>&#x222B;</m:mo>
       <m:mn>1</m:mn>
       <m:mi>x</m:mi>
      </m:munderover>
      <m:mrow>
       <m:mi>x</m:mi><m:msup>
        <m:mi>e</m:mi>
        <m:mi>y</m:mi>
       </m:msup>
       <m:mi>d</m:mi><m:mi>y</m:mi><m:mi>d</m:mi><m:mi>x</m:mi>
      </m:mrow>
     </m:mrow>
     
    </m:mstyle>
   </m:mrow>
  </m:mrow>
  
 </m:mstyle>
</m:mrow>
<m:annotation encoding='MathType-MTEF'>
MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qCaeaadaWdXbqaaiaadIhacaWGLbWaaWbaaSqabeaacaWG5baaaOGaamizaiaadMhacaWGKbGaamiEaaWcbaGaaGymaaqaaiaadIhaa0Gaey4kIipaaSqaaiaaikdaaeaacaaI0aaaniabgUIiYdaaaa@44DB@</m:annotation>
</m:semantics>
</m:math></p>

<p class="MsoNormal">10. Evaluate <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mstyle displaystyle='true'>
    <m:mrow>
     <m:munder>
      <m:mo>&#x222C;</m:mo>
      <m:mi>R</m:mi>
     </m:munder>
     <m:mrow>
      <m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>2</m:mn><m:mi>y</m:mi><m:mo stretchy='false'>)</m:mo><m:mtext>&#x2009;</m:mtext><m:mi>d</m:mi><m:mi>x</m:mi><m:mtext>&#x2009;</m:mtext><m:mi>d</m:mi><m:mi>y</m:mi>
     </m:mrow>
    </m:mrow>
    
   </m:mstyle>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8GuaeaacaGGOaGaamiEaiabgUcaRiaaikdacaWG5bGaaiykaiaaysW7caWGKbGaamiEaiaaykW7caWGKbGaamyEaaWcbaGaamOuaaqab0Gaey4kIiVaey4kIipaaaa@46B2@</m:annotation>
 </m:semantics>
</m:math>,
where <i >R</i> is the region bounded by the
graph of <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>y</m:mi><m:mo>=</m:mo><m:mn>1</m:mn><m:mo>&#x2212;</m:mo><m:msup>
    <m:mi>x</m:mi>
    <m:mn>2</m:mn>
   </m:msup>
   
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2da9iaaigdacqGHsislcaWG4bWaaWbaaSqabeaacaaIYaaaaaaa@3B80@</m:annotation>
 </m:semantics>
</m:math> and the <i >x</i>-axis.</p>

<p class="MsoNormal">11. Given <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mfrac>
    <m:mrow>
     <m:mi>d</m:mi><m:mi>y</m:mi>
    </m:mrow>
    <m:mrow>
     <m:mi>d</m:mi><m:mi>x</m:mi>
    </m:mrow>
   </m:mfrac>
   <m:mo>=</m:mo><m:mfrac>
    <m:mrow>
     <m:msup>
      <m:mi>y</m:mi>
      <m:mn>2</m:mn>
     </m:msup>
     <m:mo>+</m:mo><m:mn>3</m:mn>
    </m:mrow>
    <m:mrow>
     <m:mi>y</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo stretchy='false'>)</m:mo>
    </m:mrow>
   </m:mfrac>
   
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSaaaeaacaWGKbGaamyEaaqaaiaadsgacaWG4baaaiabg2da9maalaaabaGaamyEamaaCaaaleqabaGaaGOmaaaakiabgUcaRiaaiodaaeaacaWG5bGaaiikaiaadIhacqGHRaWkcaaIZaGaaiykaaaaaaa@4364@</m:annotation>
 </m:semantics>
</m:math>,
solve for <i >y</i>.</p>

<p class="MsoNormal">12. Given <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mn>2</m:mn><m:mfrac>
    <m:mrow>
     <m:msup>
      <m:mi>d</m:mi>
      <m:mn>2</m:mn>
     </m:msup>
     <m:mi>y</m:mi>
    </m:mrow>
    <m:mrow>
     <m:mi>d</m:mi><m:msup>
      <m:mi>x</m:mi>
      <m:mn>2</m:mn>
     </m:msup>
     
    </m:mrow>
   </m:mfrac>
   <m:mo>&#x2212;</m:mo><m:mn>5</m:mn><m:mfrac>
    <m:mrow>
     <m:mi>d</m:mi><m:mi>y</m:mi>
    </m:mrow>
    <m:mrow>
     <m:mi>d</m:mi><m:mi>x</m:mi>
    </m:mrow>
   </m:mfrac>
   <m:mo>+</m:mo><m:mn>3</m:mn><m:mi>y</m:mi><m:mo>=</m:mo><m:mn>0</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaGOmamaalaaabaGaamizamaaCaaaleqabaGaaGOmaaaakiaadMhaaeaacaWGKbGaamiEamaaCaaaleqabaGaaGOmaaaaaaGccqGHsislcaaI1aWaaSaaaeaacaWGKbGaamyEaaqaaiaadsgacaWG4baaaiabgUcaRiaaiodacaWG5bGaeyypa0JaaGimaaaa@4653@</m:annotation>
 </m:semantics>
</m:math>,
solve for <i >y</i> and verify that <i
>y</i> indeed satisfies the differential
equation.</p>

<p class="MsoNormal">13. Find all the second order partial derivatives of <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo>,</m:mo><m:mi>y</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mfrac>
    <m:mrow>
     <m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi>
    </m:mrow>
    <m:mrow>
     <m:mi>x</m:mi><m:mo>&#x2212;</m:mo><m:mi>y</m:mi>
    </m:mrow>
   </m:mfrac>
   
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaWG4bGaaiilaiaadMhacaGGPaGaeyypa0ZaaSaaaeaacaWG4bGaey4kaSIaamyEaaqaaiaadIhacqGHsislcaWG5baaaaaa@41B8@</m:annotation>
 </m:semantics>
</m:math>.</p>

<p class="MsoNormal">14. Given the points (2,4), (3,5) and (5,6), determine the
regression line.<br />
15. Given <m:math style='background-color:#'>
 <m:semantics>
  <m:mrow>
   <m:mi>f</m:mi><m:mo stretchy='false'>(</m:mo><m:mi>x</m:mi><m:mo>,</m:mo><m:mi>y</m:mi><m:mo stretchy='false'>)</m:mo><m:mo>=</m:mo><m:mn>9</m:mn><m:mi>x</m:mi><m:mi>y</m:mi><m:mo>&#x2212;</m:mo><m:msup>
    <m:mi>x</m:mi>
    <m:mn>3</m:mn>
   </m:msup>
   <m:mo>&#x2212;</m:mo><m:msup>
    <m:mi>y</m:mi>
    <m:mn>3</m:mn>
   </m:msup>
   <m:mo>&#x2212;</m:mo><m:mn>6</m:mn>
  </m:mrow>
 <m:annotation encoding='MathType-MTEF'>
 MathType@MTEF@5@5@+=feaagaart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacIcacaWG4bGaaiilaiaadMhacaGGPaGaeyypa0JaaGyoaiaadIhacaWG5bGaeyOeI0IaamiEamaaCaaaleqabaGaaG4maaaakiabgkHiTiaadMhadaahaaWcbeqaaiaaiodaaaGccqGHsislcaaI2aaaaa@460B@</m:annotation>
 </m:semantics>
</m:math>,
determine the points where it achieves its relative minimum or relative maximum
and if it has any saddle point</p>

</div>

<br/>
<br/>
<hr/>Copyright &#169; Dayal D. Purohit, Ph.D.(Mathematics)
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