Which of the Following Is an Example of a Quadratic

Multiple Choice

Which of the following is an example of a quadratic algorithm?

A) An algorithm in which work grows as a square of the problem size.
B) An algorithm in which work grows as a power of three each time the problem size increases.
C) An algorithm in which work grows in direct proportion to the size of the problem.
D) An algorithm in which work grows at a rate of n^k, where k is a constant greater than 1.