Question

How do you do this math problem?

Answer 1

-3 I forgot the explanation but the answer is here!

Answer 2

-3

Explanation:

`f(x) = -3x`

`f(x + c) = -3(x + c) = -3x - 3c`

`(f(x + c) - f(x))/((x + c) - x) =`

`= (-3x - 3c - (-3x))/(x + c - x)`

`= (-3x - 3c + 3x)/(c)`

`= (-3c)/(c)`

`= -3`