Question

If f(x)=x^2+x and g(x)=x-3, find f(g(7)).

Answer 1

Answer:

A. 20

Step-by-step explanation:

1. First we need find X.
2. x = 7 (because we see question). f(g(7))
3. Now we find g(x) = x - 3 => g(x) = 7 - 3
4. Next we find f(x) = x² + x . We have f(4)
5. f(4) = 4² + 4
6. = 20