Question

If f(x) = -x + 4 and g(x) = x2 - 5, then f(g(-2)) = ?

Answer 1

f(g(- 2)) = 5

Explanation:

Evaluate g(- 2) then use this result to evaluate f(x)

g(- 2) = (- 2)² - 5 = 4 - 5 = - 1, then

f(- 1) = - (- 1) + 4 = 1 + 4 = 5