First, we need to find f(x) and then substitute that expression into h(x) to get h(f(x)).
f(x) = (3x - 5)^3
So,
h(f(x)) = h((3x - 5)^3)
= 2^(3√(3x - 5)^3 + 8)
= 2^(3√(3x - 5)^3) * 2^8
= 2^(3√(3x - 5)^3) * 256
Therefore, h(f(x)) = 2^(3√(3x - 5)^3) * 256.