Diketahui fungsi f (x) = 4 - 2x , g (x) = 3x - 1 , dan h (x) = 5x + 2 , maka (fogoh) (x) adalah

Here the answer, thank you

jawab

f(x) =  4 - 2x
g(x)= 3x - 1
h(x)= 5x + 2

(fogoh)(x) = f { goh)(x)}
= f (3(5x +2) - 1) 
= f (15x + 5)
= 4 - (15x +5)
= 4 - 15x - 5
= -15x - 1