Question

If r(x) = 3x − 1 and t(x) = −4x − 1, find (r + t)(7).

Answer 1

3x-1 + (-4x-1)
3x-1-4x-1
Combine like terms, what will you get @vetdoc ?

Answer 2

the procedure is the same as your previous question. you should try it out yourself first.