Find f(a +h)-f(a) for the function

Question

F(x)= -7/2x + 9

Answer 1

Anything that is inside parenthesis, substitute that into your x.

 

 

f(x + h) - f(a) =

 

(-7/2(x + h) + 9) - (-7/2a + 9)

 

 

Now simplify.