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6th Edition

Stewart + 5 others

Publisher: Cengage Learning

ISBN: 9780840068071

Chapter 2.3, Problem 45E

**a.**

To determine

the intervals on which function is increasing or decreasing

Expert Solution

The intervals is increasing on

**Given information** : The provided graph shown below

The graph shows that at point

**b.**

To determine

What happen when the person was at

Expert Solution

In the age of

**Given information** : The provided graph shown below

At the age of