If f(x) = x5 – 1, g(x) = 5x2, and h(x) = 2x, which expression is equivalent to [g o f o h](9)?

Composition is evaluated from the inside out. First, h(9) = 2 · 9; then f(h(9)) = (2 · 9)^5 − 1; finally, g squares that result and multiplies it by 5, giving 5((2 · 9)^5 − 1)^2, which is choice C.

AI-written and checked against the verified answer.