Math Chapter Wise Tangent, Normal, Increasing, Decreasing And Maxima/Minima Of A Function Of One Variable English MCQ Rajasthan TGT 2011 Q.Function f(x)=x3 –3x2 –24x+5 is increasing in the interval A(, 2) (4,) −∞ − ∪ ∞ B(2,) − ∞ C(2,4) D(,4) −∞ Show answer Correct answer: (, 2) (4,) −∞ − ∪ ∞