Question

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

Answer 1

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

f(g(2))
f of g of 2
f(x^2-6x-7) but it's g of 2 not g of x
so

f((2)^2-(6(2)-7)=?

Answer 2

f((2)^2-(6(2)-7)=f(?)