Question

Given f(x) = 13x - 9, find (f(x + h) - f(x))/h and simplify the result.

Answer 1

13

Explanation:

Given

f(x) = 13x - 9 , then

`(f(x+h)-f(x))/(h)`

=
`(13(x+h)-9-(13x-9))/(h)`

=
`(13x+13h-9-13x+9)/(h)`

=
`(13h)/(h)`

= 13