Question

If r(x) = −4x − 1 and t(x) = 2x − 1, find (r + t)(7).

1. −16

2. 16

3. 14

4. −14

Answer 1

-16

Answer 2

r(7) = −4*7 − 1
t(7) = 2*7 − 1

r(7) = -29
t(7) = 13
+___

- 16