Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
A cubic graph is shown. Assume required features have integer values.
f(x) = x³ + 3x² - x - 3 (Gridlines are spaced one unit apart.)
-Give the location of the point of inflection.

A) (0, -3)
B) (-3, 3)
C) (-1, 0)
D) (1, -1)