Difference between revisions of "009B Sample Final 3, Problem 3"

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<span class="exam">The population density of trout in a stream is
 
<span class="exam">The population density of trout in a stream is
  
::::<math>\rho(x)=|-x^2+6x+16|</math>
+
::<math>\rho(x)=|-x^2+6x+16|</math>
  
 
<span class="exam">where <math>\rho</math> is measured in trout per mile and <math>x</math> is measured in miles. <math>x</math> runs from 0 to 12.
 
<span class="exam">where <math>\rho</math> is measured in trout per mile and <math>x</math> is measured in miles. <math>x</math> runs from 0 to 12.
  
::<span class="exam">a) Graph <math>\rho(x)</math> and find the minimum and maximum.
+
<span class="exam">(a) Graph <math>\rho(x)</math> and find the minimum and maximum.
  
::<span class="exam">b) Find the total number of trout in the stream.
+
<span class="exam">(b) Find the total number of trout in the stream.
  
 
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'''Solution:'''
 
'''Solution:'''
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{| class="mw-collapsible mw-collapsed" style = "text-align:left;"

Revision as of 19:18, 18 February 2017

The population density of trout in a stream is

where is measured in trout per mile and is measured in miles. runs from 0 to 12.

(a) Graph and find the minimum and maximum.

(b) Find the total number of trout in the stream.

Foundations:  


Solution:

(a)

Step 1:  
Step 2:  

(b)

Step 1:  
Step 2:  

(c)

Step 1:  
Step 2:  


Final Answer:  
(a)
(b)
(c)

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