Evaluate piecewise functions

Pick the rule whose condition the input meets.

1. f(x) = −2x − 3 if x < 0 and f(x) = −2x² − 8 if x ≥ 0. Find f(2).
2. f(x) = 4x − 3 if x < 0 and f(x) = x² + 1 if x ≥ 0. Find f(5).
3. f(x) = −4x + 5 if x < 0 and f(x) = x² + 9 if x ≥ 0. Find f(−2).
4. f(x) = 4x if x < 0 and f(x) = 2x² − 5 if x ≥ 0. Find f(−4).
5. f(x) = −3x − 4 if x < 0 and f(x) = 2x² + 8 if x ≥ 0. Find f(6).
6. f(x) = −2x − 6 if x < 0 and f(x) = x² − 3 if x ≥ 0. Find f(1).
7. f(x) = 2x − 4 if x < 0 and f(x) = −3x² − 4 if x ≥ 0. Find f(−6).
8. f(x) = −x + 2 if x < 0 and f(x) = −2x² − 5 if x ≥ 0. Find f(−6).
9. f(x) = 2x + 4 if x < 0 and f(x) = x² + 6 if x ≥ 0. Find f(1).
10. f(x) = −4x + 3 if x < 0 and f(x) = 3x² + 2 if x ≥ 0. Find f(−5).
11. f(x) = 2x − 4 if x < 0 and f(x) = x² + 5 if x ≥ 0. Find f(1).
12. f(x) = 3x − 2 if x < 0 and f(x) = 2x² + 9 if x ≥ 0. Find f(−2).
13. f(x) = −4x − 1 if x < 0 and f(x) = x² − 1 if x ≥ 0. Find f(1).
14. f(x) = −3x + 1 if x < 0 and f(x) = −2x² + 9 if x ≥ 0. Find f(4).
15. f(x) = x − 1 if x < 0 and f(x) = x² + 2 if x ≥ 0. Find f(−4).
16. f(x) = 4x − 6 if x < 0 and f(x) = 3x² + 5 if x ≥ 0. Find f(−4).
17. f(x) = −3x + 2 if x < 0 and f(x) = −2x² + 6 if x ≥ 0. Find f(−3).
18. f(x) = −x + 6 if x < 0 and f(x) = −2x² − 3 if x ≥ 0. Find f(6).
19. f(x) = 3x − 3 if x < 0 and f(x) = −x² − 4 if x ≥ 0. Find f(1).
20. f(x) = x + 5 if x < 0 and f(x) = x² − 1 if x ≥ 0. Find f(2).