Question

The following limit is the derivative of a composite function h at some point x=a.

lim x approaches 9 ((x^2-80)^9-1)/(x-9)

Find a composite function h and the value of a.

Solving the limit is easy enough, but I'm having difficulty with the process for finding the composite function h and the value of a.

Answer 1

calc?

Answer 2

wats a composite function?

Answer 3

Yes, this is calculus.

Answer 4

wats composite function?

Answer 5

that's what i remember, may be faulty