Chapter 1.3, Problem 31E

### Calculus (MindTap Course List)

8th Edition
James Stewart
ISBN: 9781285740621

Chapter
Section

### Calculus (MindTap Course List)

8th Edition
James Stewart
ISBN: 9781285740621
Textbook Problem

# Find ( a ) f + g , ( b ) f − g , ( c ) f g , and f / g state their domains.31. f ( x ) = x 3 + 2 x 2 , g ( x ) = 3 x 2 − 1

To determine

(a)

To find:

The sum of the two given functions and their domain.

Explanation

First write both functions in addition form.

(x3+2x2)+(3x2-1)

Combine the like terms,Â 2x</

To determine

(b)

To find:

The subtraction of the two given functions and their domain.

To determine

(c)

To find:

The multiplication the two given functions and their domain.

To determine

(d)

To find:

The division of the two given functions and their domain.

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