Answer:
Explanation:
f(x) = x³
g(x) = √(x)
h(x) = x / 3
g (h (f (9))) - ?
f(9) = 9³ = 3⁶
h(9³) = 3⁶ / 3 = 3⁵
g(3⁵) = √(3⁵) = √ (3⁴·3) = 3²·√(3) = 9·√(3)
g (h (f (9))) = 9·√(3)
____________________
g(h(f(x))) - ?
f(x) = x³
h(x³) =x³/3
g (x³/3) = √ (x³/3) = √ (x²·x/3) = x·√ (x/3)