posted by Joy .
7. Which of the following scenarios could be described by the real valued function f(x) = x3 + 3x2 + 2x?: *
A. A shoebox has a length that is 1 inch longer than its width and a height that is 1 inch longer than its length.
B. We want to know the product of three consecutive numbers
C. Start with a number. Cube it. Then square it and triple it. Then add twice the number.
D. A and B are correct.
E. A, B, and C are correct