Question

Given that f(x) = 2x + 5 and g(x) = x − 7, solve for f(g(x)) when x = −3.

Answer 1

Answer:

-15

Step-by-step explanation:

as x = -3 replace x by -3 in g(x)

g(-3) = -3-7 = -10

now f(g(-3)) means replacing x by g(-3)

2(-10) + 5 = -15