f(-1) = (-1)⁴-6(-1)³+27(-1)-19 = 1+6-27-19 = -39
f(x)' = 4x³-18x²+27
f"(-1) = 4(-1)³-18(-1)²+27 = -4-18+27 = 5
f(-1) + f"(-1) = -39 + 5 = -34
