Answer:
-28
Step-by-step explanation:
f(-2)= (-2)(2) + 5(-2) - 14
f(-2)= -4 + (-10) - 14
f(-2)= -28
f(x) = x² + 5x - 14
f(-2) = (-2)² + 5(-2) - 14 = 4 - 10 - 14 = -20