Loading [MathJax]/jax/output/CommonHTML/jax.js


  • 1. 
    The function f(x) = x + cos x is

  • always increasing
  • always decreasing
  • increasing for certain range of x
  • None of these
  • 2. 
    The function which is neither decreasing nor increasing in (π2, 3π2) is

  • cosec x
  • tan x
  • |x – 1|
  • 3. 
    The function /’defined by f(x) = 4 – 2x + 1 is increasing for

  • x < 1
  • x > 0
  • x < 12
  • x > 12
  • 4. 
    The interval in which the function y = x³ + 5x² – 1 is decreasing, is

  • (0, 13)
  • (0, 10)
  • (103, 0)
  • None of these
Report Question
warning
access_time
  Time   
0 h : 0 m : 3 s