Question

Evaluate each function at the given value.

1) f (x) = −x^3 + 6x − 7 at x = 2

2) f (x) = x^3 + x^2 − 5x − 6 at x = 2

3) f (a) = a^3 + 3a^2 + 2a + 8 at a = −3

4) f (a) = a^3 + 5a^2 + 10a + 12 at a = −2