Question

I'm really not sure whether or not I solved this problem correctly!

h(x)=x^2-9
f(x)=2x+8

So what is h(f(x))?

Would it be h(f(x))= 1(2x+8)?

Answer 1

One way to look at it is:
h(x)=x^2-9
y=f(x)=2x+8
h(f(x))=h(y)=(y^2)-9=...

Answer 2

Thank you for the help!

Answer 3

You're welcome!
Feel free to post your answer for checking if you wish.