Math Chapter Wise Tangent, Normal, Increasing, Decreasing And Maxima/Minima Of A Function Of One Variable English MCQ UP PGT-2016 (02-02-2019) Q.Maximum value of the function 2 1 2x x f(x) 3 + − + − = is equal to A3 B9 C27 D81 Show answer Correct answer: 9