Question

Let f(x) = Find f(-2).who knows how to do this ?

Answer 1

to find f(-2)
put x = -2 in f(x)

Answer 2

Let f(x) = x + 8 and g(x) = x2 - 6x - 7. Find f(g(2)).
do you know how to this one because the other one wasnt the full equation