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Chapter 1: Q69. (page 66)

Iffx=2x+4 and gx=x2鈭�3, find each value

f鈭�3

Short Answer

Expert verified

The value of function is f鈭�3=鈭�2.

Step by step solution

01

Step 1. Concept.

For a function f,fa represents the value of the function atx=a

02

Step 2. Evaluate the required value.

To evaluate the function value, substitute -3for xin the function f(x)and simplify further as shown below

f鈭�3=2鈭�3+4

03

Step 3. Calculation.

To simplify further, multiply the numbers and then combine to get

2鈭�3+4=鈭�6+4=鈭�2

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