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Chapter 1: Q72. (page 66)

Iffx=2x+4andgx=x2鈭�3then find the following value.

g鈭�4

Short Answer

Expert verified

The expression is: g鈭�4=13.

Step by step solution

01

Step 1. Given information.

The given functions are:

fx=2x+4gx=x2鈭�3

02

Step 2. Write the Concept.

If find the value of a functionfx at any value of x, then put the value of x in that function.

03

Step 3. Determine the function value.

The value ofg鈭�4is find in below.

gx=x2鈭�3

Substitute x=-4in the above function.

g鈭�4=鈭�42鈭�3=16鈭�3=13

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