Home
Class 12
MATHS
Let f(x) be a differentiable function. ...

Let `f(x)` be a differentiable function. If `h(x)=(1)/(3) {f(x)}^(3)+{f(x)}^(2)+f(x)+(1)/(3)` then which one of the following is correct ?

A

h(x) increases as f(x) decreases

B

h(x) increases as f(x) increases

C

h(x) always increases whether f(x) increases or decreases

D

nothing definite can be said

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 7|30 Videos
  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 7|80 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 Videos

Similar Questions

Explore conceptually related problems

Suppose the function f(x) is defined as follows : f(x)= x(x-1)(x-2)(x-3)...(x-100) Then which one of the following is correct ?

Let f(x) be a differentiable function and f'(4)=5 . Then lim_(x to 2) (f(4) -f(x^(2)))/(x-2) equals

Let f(x) be a twice differentiable function for all real values of x and satisfies f(1)=1,f(2)=4,f(3)=9. Then which of the following is definitely true? (a). f''(x)=2AAx in (1,3) (b) f''(x)= 5 for some x in (2,3) (c) f''(x)=3AAx in (2,3) (d) f''(x)=2 for some x in (1,3)

Let f(x)=x^(3)-9x^(2)+30x+5 be a differentiable function of x , then -

Let f:(0,oo)->R be a differentiable function such that f'(x)=2-f(x)/x for all x in (0,oo) and f(1) =1 , then

Let f(x) be a twice-differentiable function and f"(0)=2. The evaluate: lim_(x->0)(2f(x)-3f(2x)+f(4x))/(x^2)

Let f:RtoR be a differntiable function satisfying f(x)=x^(2)+3int_(0)^(x^(1/3))e^(-t^(3)).f(x-t^(3))dt . Then find f'(x) .

If the function f(x)=x^(3)+e^((x)/(2)) and g(x)=f^(-1)(x) , then the value of g'(1) is

Let f be a differentiable function such that f(1) = 2 and f'(x) = f (x) for all x in R . If h(x)=f(f(x)) , then h'(1) is equal to

Let f(x) be a differentiable function in [2,7]. If f(2) = 3 and f'(x)le5 all x in (2,7) then the maximum possible value of f(x) at x=7 is

CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 8
  1. If the line 2x+sqrt(6)y=2 is a tangent to the hyperbola x^(2)-2y^(2)=...

    Text Solution

    |

  2. The equation of the normal to the curve x^(3)+y^(3)=8xy at the point w...

    Text Solution

    |

  3. The curve x=1-3t^(2), y=t-3t^(3) is symmetrical with respect to -

    Text Solution

    |

  4. The equation of the curve in which the portion of the tangent between...

    Text Solution

    |

  5. The equation of the normal to the parabola y^(2)=5x. Which makes an a...

    Text Solution

    |

  6. The maximum value of Z=3x+4y subject to the constraints x+y le 40, x...

    Text Solution

    |

  7. The minimum value of (1)/(2)(7-cos2x) is -

    Text Solution

    |

  8. If g(x)=min(x, x^(2)) where x is a real number then -

    Text Solution

    |

  9. The value of a so that the sum of the squares of the roots of the equ...

    Text Solution

    |

  10. Twenty metres are available to fence a land in the form of a circular...

    Text Solution

    |

  11. Area ( in square unit) of the greatest rectangle that can be inscribe...

    Text Solution

    |

  12. The point on the parabola 2y=x^(2), which is nearest to the point (0,...

    Text Solution

    |

  13. Let f(x) be a differentiable function. If h(x)=(1)/(3) {f(x)}^(3)+{f...

    Text Solution

    |

  14. What is the value of b for which the function f(x)=sinx-bx+c is decre...

    Text Solution

    |

  15. The radius of a circular plate is increasing at the rate of 0.01 cm/s ...

    Text Solution

    |

  16. A spherical balloon is being inflated at the rate of 35 cm^(3)/min. Th...

    Text Solution

    |

  17. Electric current C, measured by a galvanometer, is given by the equati...

    Text Solution

    |

  18. The value of Var (4x+3) is

    Text Solution

    |

  19. If the side of an equilateral triangle increases at the rate of sqrt(3...

    Text Solution

    |

  20. If y=3x^(2)+2 and if x changes from 10 to 10.1, then the approximate ...

    Text Solution

    |