Question

sdf

Answer 1

f(x+h) = (x+h)^2 + 9(x+h) - 7

Answer 2

how do you know that and where did you get it from?

Answer 3

Ok let's start off with something simple

f(x) = x^2, what's f(3) ?

Answer 4

oh you plugged it in. Silly me hahaha

Answer 5

9

Answer 6

yup, you got it.

Answer 7

so how would we answer this problem

Answer 8

just expand f(x+h) and simplify (some values will cancel out), it's just algebra from now on.

Answer 9

thanks