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Chapter 1: Q14. (page 49)

Examples 4 and 5 Iff(x)=6x+7 andg(x)=x2鈭�4, find each value. (P. 49)

g(5)

Short Answer

Expert verified

The function value atg5 is 21.

Step by step solution

01

Step 1. Interpreting of function.

g5Indicates the value of functiongx atx=5

02

Step 2. Apply substitution method.

Substitutex=5 into the functiongx

03

Step 3. Calculation.

The function value atx=5 is calculated as follows:

g5=52鈭�4g5=25鈭�4g5=21

Thus, the function value atx=5 is 21.

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