Question

For x = -2, evaluate f(g(x)) - f(0), given that: f(x) = 2x + 5 g(x) = 4x​

Answer 1

Answer: -16

Step-by-step explanation:

f(g(x)) = 2(4(-2)) + 5

f(g(x)) = 2(-8) + 5

f(g(x)) = -16 + 5

f(g(x)) = -11

f(0) = 2(0) + 5

f(0) = 5

f(g(x)) - f(0) = -11 - 5

f(g(x)) - f(0) = -16