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

78.59 is the mean

step-by-step explanation:

$12. that is my answer.