Question

Given: f(x)=3 - x; g(x) = -2x find f[g(2)]

Answer 1

7

Explanation:

To calculate f(g(2)) evaluate g(2) then evaluate f(x) for this value

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

f(- 4) = 3 - (- 4) = 3 + 4 = 7