f(t) = 2cos t + sin 2t, [0, 7/2]

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter6: Applications Of The Derivative
Section6.CR: Chapter 6 Review
Problem 37CR
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Find the absolute maximum and absolute minimum
values of  f on the given interval.

f(t) = 2cos t + sin 2t, [0, 7/2]
Transcribed Image Text:f(t) = 2cos t + sin 2t, [0, 7/2]
Expert Solution
Step 1

Given equation is

Calculus homework question answer, step 1, image 1

Differentiating both sides, we get

Calculus homework question answer, step 1, image 2

Now, we will wind critical points of f(t) in given interval.

Calculus homework question answer, step 1, image 3

But sin(t) is positive in Calculus homework question answer, step 1, image 4

Therefore,

Calculus homework question answer, step 1, image 5

Therefore, given function has only one critical number Calculus homework question answer, step 1, image 6

 

 

 

 

 

 

 

Step 2

Now, we will find value of f(t) at end-points of given interval and at critical point .

Calculus homework question answer, step 2, image 1

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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,