JEE Math Practice Question
A function is matched below against an interval where it is supposed to be increasing. Which of the following pairs is incorrectly matched?
- A.Interval Function (- $$\infty $$, $$\infty $$) x3 - 3x2 + 3x + 3
- B.Interval Function [2, $$\infty $$) 2x3 - 3x2 - 12x + 6
- C.Interval Function $$\left( { - \infty ,{1 \over 3}} \right]$$ 3x2 - 2x + 1
- D.Interval Function ($$ - \infty $$, - 4 ) x3 + 6x2 + 6
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