Question

f(x) = x2 – 9, g(x) = 2x + 3 and h(x) = x - 3. Find each of the following.
d) f(g(h(x)))
e) (g – h)(8)
f) h(f(-2))

Answer 1

i think
d) 2x^2-9
e)14
and f)-8
i'm not so sure of my answers though.

Answer 2

e is correct

D is going to be number...

Answer 3

also F is correct