Evaluate a linear function

Replace x with the number in the brackets and work it out.

1. f(x) = −4x − 8. Find f(1).
2. f(x) = 8x − 9. Find f(−1).
3. f(x) = −3x + 2. Find f(−3).
4. f(x) = −3x − 4. Find f(−5).
5. f(x) = −3x − 12. Find f(3).
6. g(x) = −x + 4. Find g(1).
7. f(x) = 5x − 10. Find f(−8).
8. f(x) = 4x − 1. Find f(−1).
9. f(x) = −x + 7. Find f(−5).
10. g(x) = −9x + 3. Find g(−9).
11. g(x) = −7x + 8. Find g(2).
12. f(x) = −13x + 0. Find f(−1).
13. g(x) = −13x − 3. Find g(0).
14. f(x) = 8x + 3. Find f(−3).
15. p(x) = −11x + 8. Find p(0).
16. g(x) = −7x − 11. Find g(−9).
17. q(x) = −17x + 5. Find q(−9).
18. p(x) = −29x + 12. Find p(15).
19. f(x) = 10x − 1. Find f(9).
20. q(x) = −8x + 11. Find q(10).