Question

4x-3+h

Answer 1

what to do?

Answer 2

solve f(x+h) when f(x)=4x-3

Answer 3

whatever value is written with f on left, use that same value in the expression instead of x.

Answer 4

f(x+h) = 4x -3
f(x+h) = 4(x+h) - 3
f(x+h) = 4x + 4h - 3

Answer 5

solve f(x+h)-f(x) when f(x)=4x-3