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Chapter 1: Q19. (page 49)

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

g(鈭�b)

Short Answer

Expert verified

The value of the expression isb2鈭�4

Step by step solution

01

Step 1. Interpreting of function g−b.

g鈭�bIndicates the value of functiongx atx=鈭�b

02

Step 2. Apply substitution method.

Substitutex=鈭�b into the functiongx

g鈭�b=鈭�b2鈭�4

03

Step 3. Further calculation:

g鈭�b=b2鈭�4

Thus, the function value atx=鈭�b is b2鈭�4.

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