Question

PLEASE HELP ASAP f(x)=2x+5 g(x)=x³ Find f(g(4))

Answer 1

1) Find g (4) by substituting 4 in place of x in g (x).
g(4) = 4^3 = 64

2) Substitute 64 in place of the x in f(x)
f(64) = 2(64) + 5
= 128 + 5
= 133