Common such as:
F(x) = 8, then f' (x) = 0.
F(x) = ax then f' (x) = a.
F (x) = ax n Then f' (x) = a * n * x (n- 1).
F(x) = sinx means f' (x) = cosx.
F (x) = x a means f' (x) = x a * lna, etc.