Graph of a cubic polynomial that falls to the left and rises to the right with x intercepts negative 2, negative 1, and 2
Which of the following functions best represents the graph? (4 points)

a
f(x) = x3 + x2 − 4x − 4

b
f(x) = x3 + 4x2 − x − 4

c
f(x) = x3 + 3x2 − 4x − 12

d
f(x) = x3 + 2x2 − 4x − 8