Which graph represents y = rootindex 3 startroot x endroot + 2?
a. on a coordinate plane, a cubic function has an inflection point at (0, negative 2).
b. on a coordinate plane, a cubic function has an inflection point at (negative 2, 0)
c. on a coordinate plane, a cubic function has an inflection point at (0, 2).
d. on a coordinate plane, a cubic function has an inflection point at (2, 0).