Answer:
18 is 1 and 8 put togother.
Step-by-step explanation:
go from inside out.
h(x)=x/3
=> h(6) = 6/3 = 2
g(x) =
=> g(h(6)) = g(2) =
f(x) =
=> f(g(h(6))) = f( ) =
Compute the surface element:
So the integral is