The Function f(x) is an Increasing Function in The Interval :

Consider the function
f (x) = -2x3 – 9x2 – 12x + 1

  1. The function f(x) is an increasing function in the interval
    (a) (-2, -1)                  (b) (-¥, -2)                          (c) (-1, 2)                              (d) (-1, ¥)
  2. The function f(x`) is a decreasing function in the interval
    (a) (-2, -1)                  (b) (-¥, -2) only                (c) (-1, ¥)                            (d) (-¥, -2) È (-1, ¥)
Anurag Mishra Professor Asked on 4th October 2015 in Maths.
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1 Answer(s)
  • Answer: (b)

  • Answer: (b) 
Anurag Mishra Professor Answered on 3rd January 2016.
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