Question

If f(x)=x^5-1 g(x)=5x^2 and h(x)=2x which expression is equivalent to [g*f*h](9)

A(2(5(9^5-1)^2)
B:2((5*9^2)^5-1)
C:5((2*9)^5-1)^2
D(5(2*9)^2)^5-1

Answer 1

C.
`5((2*9)^(5)-1)^(2)`

Explanation:

Edge 2020

Answer 2

f(x) = x^5 - 1; g(x) = 5x^2; h(x) = 2x

Answer:

`\underbrace{5(\underbrace{(\underbrace{2\cdot9}_(h(9)))^5-1}_(f(g(9))))^2}_(g(f(h(9))))`
`\boxed{C.}`