Question

If f(x) = 7x + 4 and g(x) = x + 4, what is
(fog)(-3)?

Answer 1

(fog)(-3)= 11

Explanation:

we have from statement:

f(x) = 7x + 4

g(x) = x + 4

so we have:

(fog)(x)= 7(x+4) + 4

(fog)(-3)= 7(-3+4) + 4

(fog)(-3)= 7(1) + 4

(fog)(-3)= 11