
Kenneth S. answered 05/24/18
Tutor
4.8
(62)
Algebra II EXPERT will help you survive & prosper
f(x) = 5 - 2x
f(x+h) = 5 - 2(x+h), which you can simplify (using distributive property).
Now subtract the top value (right side) from the right side of the value beneath it.
Then divide the WHOLE hing by h, and simplify.
Your original statement should have put parentheses around the difference, in order to signify proper PEMDAS operations: