Home
Class 12
MATHS
The function f(x)=-x//2+sinx defined on ...

The function `f(x)=-x//2+sinx` defined on `[-pi//3,\ pi//3]` is (a) increasing (b) decreasing (c) constant (d) none of these

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • HIGHER ORDER DERIVATIVES

    RD SHARMA ENGLISH|Exercise All Questions|179 Videos
  • INDEFINITE INTEGRALS

    RD SHARMA ENGLISH|Exercise All Questions|1443 Videos

Similar Questions

Explore conceptually related problems

In the interval (1,\ 2) , function f(x)=2|x-1|+3|x-2| is (a) increasing (b) decreasing (c) constant (d) none of these

If x in (0,pi/2) , then the function f(x)= x sin x +cosx +cos^(2)x is (a) Increasing (b) Decreasing (c) Neither increasing nor decreasing (d) None of these

The value of c in Lagranges theorem for the function f(x)=logsinx in the interval [pi/6,(5pi)/6] is (a) pi/4 (b) pi/2 (c) (2pi)/3 (d) none of these

The function f(x)=x/(1+|x|) is (a) strictly increasing (b) strictly decreasing (c) neither increasing nor decreasing (d) none of these

Prove that the function f(x)=tanx-4x is strictly decreasing on (-pi//3,\ pi//3) .

Prove that the function f(x)=tanx-4x is strictly decreasing on (-pi//3,\ pi//3) .

Show that the function f(x)=sin(2x+pi//4) is decreasing on (3pi//8,\ 5pi//8) .

Determine whether f(x)=-x//2+sinx is increasing or decreasing on (-pi//3,\ pi//3) .

Determine whether f(x)=-x//2+sinx is increasing or decreasing on (-pi//3,\ pi//3) .

Show that f(x)=sinx is an increasing function on (-pi//2,\ pi//2) .

RD SHARMA ENGLISH-INCREASING AND DECREASING FUNCTION -All Questions
  1. The function f(x)=x^2\ e^(-x) find the derivative with respect to x

    Text Solution

    |

  2. Function f(x)=cosx-2\ lambda\ x is monotonic decreasing when (a) lambd...

    Text Solution

    |

  3. In the interval (1,\ 2) , function f(x)=2|x-1|+3|x-2| is (a) monotonic...

    Text Solution

    |

  4. Function f(x)=x^3-27 x+5 is monotonically increasing when (a) x<-3 (b...

    Text Solution

    |

  5. Function f(x)=2x^3-9x^2+12 x+29 is monotonically decreasing when (a) x...

    Text Solution

    |

  6. If f(x)=k x^3-9x^2+9x+3 monotonically increasing in R , then (a) k<3 ...

    Text Solution

    |

  7. f(x)=2x-tan^(-1)x-log{x+sqrt(x^2+1)} is monotonically increasing when ...

    Text Solution

    |

  8. Function f(x)=|x|-|x-1| is monotonically increasing when (a) x<0 (b) ...

    Text Solution

    |

  9. Every invertible function is (a) monotonic function          (b) co...

    Text Solution

    |

  10. In the interval (1,\ 2) , function f(x)=2|x-1|+3|x-2| is (a) increasin...

    Text Solution

    |

  11. If the function f(x)=cos|x|-2a x+b increases along the entire number s...

    Text Solution

    |

  12. The function f(x)=x/(1+|x|) is (a) strictly increasing (b) strictly...

    Text Solution

    |

  13. The function f(x)=(lambdasinx+2cosx)/(sinx+cosx) is increasing, if (a)...

    Text Solution

    |

  14. Function f(x)=a^x is increasing on R , if (a) a >0 (b) a<0 (c) a<1 ...

    Text Solution

    |

  15. Function f(x)=(log)a x is increasing on R , if (a) a<0 (b) a >1 (c) ...

    Text Solution

    |

  16. Let varphi(x)=f(x)+f(2a-x) and f"(x)>0 for all x in [0,\ a] . Then, va...

    Text Solution

    |

  17. If the function f(x)=x^2-k x+5 is increasing on [2,\ 4] , then (a) k i...

    Text Solution

    |

  18. The function f(x)=-x//2+sinx defined on [-pi//3,\ pi//3] is (a) increa...

    Text Solution

    |

  19. If the function f(x)=x^3-9k\ x^2+27 x+30 is increasing on R , then (a)...

    Text Solution

    |

  20. The function f(x)=x^9+3x^7+64 is increasing on (a) R (b) (-oo,\ 0) (...

    Text Solution

    |