If f (x) = 3x - 9 and g (x) = x², what is (gºf) (5) ?

36

Step-by-step explanation:

Here, f (x) is the input to g (x), forming a composite function.

To evaluate (gºf) (5),

1) find the value of f (5). It is f (5) = 6.

2) Use this result as the input to g (x) : g (6) = (6) ^2 = 36