Question

Evaluate (f ∘ g)(x) if f(x) = 3x^2 and g(x) = 2x – 3 when x = -1.

Answer 1

f(g(x)) = f(2x) = 3(2x)²

f(g(-1)) = 3(2(-1))² = 3(-2)² = 3(4) = 12