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Chapter 5: Q. 93 (page 285)

Suppose that g(x)=4x+2.

(a) What is g(-1)? What point is on the graph of g?

(b) If g(x)=66, what is x? What point is on the graph of g?

Short Answer

Expert verified

Part (a) g(-1)=94and the point on the graph of g is (-1,94).

Part (b)x=3and the point on the graph of g is(3,66).

Step by step solution

01

Part (a) Step 1. Substitute x=-1 in g(x)=4x+2.

This gives

g(-1)=4-1+2g(-1)=14+2g(-1)=94

The point on the graph of the function g is(-1,94).

02

Part (b) Step 1. Finding value of x using f(x)=66.

This gives

4x+2=664x=644x=43

On comparing

x=3

The point on the graph of the function g is(3,66).

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