Question

If f(x)=4x, g(x)=5x-3, and h(x)=√x, find (fogoh)(4)?

Is this how the problem is solved:

(fogoh)=4(5(sqrt x)-3)
=20 sqrt x-12
x=4, fogoh= 40-12= 28

Answer 1

Problem attached below! Please help and explain!

Answer 2

you got it

Answer 3

\((f\circ g\circ h)(x) =f\circ(g(h(x)))=f(g(h(x))) = 4(5\sqrt{x}-3) \)