9514 1404 393
Answer:
(a) -2
Step-by-step explanation:
Put -1 where x is and do the arithmetic.
f(x) = x³ +2x² -3
f(-1) = (-1)³ +2(-1)² -3
f(-1) = -1 +2 -3 = 1 -3
f(-1) = -2
