If f(x) = 4x + 8 and g(x) = \/x + 4,
what is (fºg)(12)?

Answer: 24
Step-by-step explanation:
(fºg)(12) would be f(g(12))
Plug in 12 for g(x) = square root of (12+4) = 4
Plug 4 in f(x)
f(4) = 16 + 8
=24