Question

Let f(x) = x + 8 and g(x) = x2 - 6x - 7. Find f(g(2)).

Answer 1

1st find g(2) so substitute x = 2 into

g(x).... you get g(2) = (2)^2 - 6(2) - 7

g(2) = -15

now in f(x) replace x with - 15