The expression V = 2x3 + 6x2 can be used to find the volume of the trapezoidal prism below.

If x = 12 cm, what is the volume of the prism?
cm3

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.