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Q. 31

Expert-verified
Calculus
Found in: Page 248
Calculus

Calculus

Book edition 1st
Author(s) Peter Kohn, Laura Taalman
Pages 1155 pages
ISBN 9781429241861

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Short Answer

Find the critical points of each function f .Then use a graphing utility to determine whether f has a local minimum, a local maximum, or neither at each of these critical points.

fx=3x-2ex

The critical point is x= In32 . The graph of the given function is shown below .

See the step by step solution

Step by Step Solution

Step 1. Given information .

Consider the given function fx=3x-2ex .

Step 2.  Find the critical points .

The critical points are the points where the function is defined and its derivative is zero or undefined .

Differentiate the given function .

fx=3x-2exf'x=3-2ex

Therefore the critical point is x=In 32 .

Step 3. Plot the graph .

The graph of the given function is shown below .

From the given graph the function f has local minimum because the turning point is on negative axis .

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