Question

42+13(x-3)
Rate of change

Answer 1

Step 1: Distribute

42+13(x-3)
42+13x-39

Step 2: Combine like terms (42&-39)

42+13x-39
3+13x

Being that there is no equal sign, this is as simplified as your answer can get. The answer will remain 3+13x

Hope this helps happy holidays :)