Question

Please solve. Evaluate the function.

Answer 1

(g o f)(x) =
`√(-510)` (not simplified)

Explanation:

(g o f)(x) = g(f(x))

g(x) =
`√(3x)` f(x) =
`x^(3) + 9x`

g(f(-5)) = g(
`(-5)^(3) + 9(-5)` =
`(-125) + (-45)` =
`-170`

g(-170) =
`√(3(-170))` =
`√(-510)`