Question

If f(x) = x and g(x) = 2x + 7, what is g(x)
when x = -6?

Answer 1

-5

Explanation:

g(x) = 2x + 7

Put x as -6.

g(-6) = 2(-6) + 7

g(-6) = -12 + 7

g(-6) = -5

Answer 2

g(-6) = -5

Explanation:

g(x) = 2x + 7

Let x = -6

g(-6) = 2(-6) +7

= -12 +7

= -5