A function is matched below against an interval where it is supposed to be increasing. Which of the following pairs is incorrectly matched ?

Options

A. `(-oo, oo)" "x^(3) - 3x^(2) + 3x + 3`
B. `[2, oo)" "2x^(3) - 3x^(2) - 12x + 6`
C. `(-oo, 1//3]" "3x^(2) - 2x + 1`
D. `(-oo, -4]" "x^(3) + 6x^(2) + 6`

Answer

C