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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter 2.7, Problem 31E

**a.**

To determine

**To calculate:**The derivative of the given function by using definition of derivative.

Expert Solution

Derivative of the function is

**Given: **

**Concept used: **

Definition of derivative:

It has to find derivative of the function.

Hence, derivative of the function is

**b.**

To determine

**To compare: **The graph of function and graph of derivative.

Expert Solution

**Given: **

**Concept used: **

Definition of derivative:

It has to find derivative of the function.

Now the graph of function and graph of the derivative is

Respectively.