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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Part 1

(A) Find the local extrema for the revenue function. What is/are the local maximum/a? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The local maximum/a is/are at

x=enter your response here.

(Simplify your answer. Use a comma to separate answers as needed.)

There is no local maximum.

Part 2

What is/are the local minimum/a? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The local minimum/a is/are at

x=enter your response here.

(Simplify your answer. Use a comma to separate answers as needed.)

There is no local minimum.

Part 3

(B) On which intervals is the graph of the revenue function concave upward? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The graph is concave upward on

enter your response here.

(Type your answer in interval notation.)

The graph is never concave upward.

Part 4

On which intervals is the graph of the revenue function concave downward? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The graph is concave downward on

enter your response here.

(Type your answer in interval notation.)

The graph is never concave downward.

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