Difference between revisions of "009A Sample Final 1, Problem 6"

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<span class="exam"> Consider the following function:
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::::::<math>f(x)=3x-2\sin x+7</math>
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::<span class="exam">a) Use the Intermediate Value Theorem to show that <math>f(x)</math> has at least one zero.
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::<span class="exam">b) Use the Mean Value Theorem to show that <math>f(x)</math> has at most one zero.
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{| class="mw-collapsible mw-collapsed" style = "text-align:left;"
 
!Foundations: &nbsp;  
 
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Revision as of 21:24, 1 February 2016

Consider the following function:

a) Use the Intermediate Value Theorem to show that has at least one zero.
b) Use the Mean Value Theorem to show that has at most one zero.
Foundations:  

Solution:

(a)

Step 1:  
Step 2:  

(b)

Step 1:  
Step 2:  
Step 3:  

(c)

Step 1:  
Step 2:  
Final Answer:  
(a)
(b)
(c)

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