Home
Class 14
MATHS
If f(x) = 3x^(2) + 15x+5, then the appro...

If `f(x) = 3x^(2) + 15x+5`, then the approximate value of `f(3.02)` is :

A

`f(x)` is increasing in `(-1, 3)`

B

`f(x)` is decreasing in `(3, infty)`

C

`f(x)` is increasing in `(-infty, -1)`

D

`f(x)` is decreasing in `(-infty, -1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF DERIVATIVES

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS |85 Videos

  • 3-D GEOMETRY

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|108 Videos

  • AREA BOUNDED BY CURVES

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|39 Videos

Similar Questions

Explore conceptually related problems

If f(x) = 3x^(2) + 15x + 5 , then find the approximate value of f(3.02) using differentials

If f(x)=3x^2+15 x+5, then the approximate value of f" "(3. 02) is (A) 47.66 (B) 57.66 (C) 67.66 (D) 77.66

If f(x)=3x^(2)+5x+2 , then the approximate value f(5.02) is

If f(x) = 2x^(2)+5x+2 , then find the approximate value of f(2.01) .

If f(x)=3x^(2)+4x-1 , then find the approximate value of f(3.1) .

Find the approximate value of f(3.02), where f(x)=3x^(2)+5x+3

Find the approximate value of f(3.02), where f(x)=3x^(2)+5x+3

Find the approximate value of f(3. 02) , where f(x)=3x^2+5x+3 .

Find the approximate value of f(3.02) , where f(x)=3x^(2)+15x+5.

Find the approximate value of : f(3.02)," where "f(x)=3x^(2)+15x+3

PUNEET DOGRA-APPLICATION OF DERIVATIVES-PREV YEAR QUESTIONS
  1. If f(x) = 3x^(2) + 15x+5, then the approximate value of f(3.02) is :

    Text Solution

    |

  2. For x gt 0, what is the minimum value of x+(x+2)/(2x)?

    Text Solution

    |

  3. A curve y = me^(mx) where m gt 0 intersects y-axis ai a point P, W...

    Text Solution

    |

  4. A curve y = me^(mx) where m gt 0 intersects y-axis ai a point P, H...

    Text Solution

    |

  5. Find the equation of tangent of the curve 6y=9-3x^(2) at point (1,1).

    Text Solution

    |

  6. If x^(2)-6x-27gt0, then which one of the following is correct ?

    Text Solution

    |

  7. In which one of the following intervals is lite function f(x) = x^(2) ...

    Text Solution

    |

  8. In which one of the following intervals is lite function f(x) = x^(2) ...

    Text Solution

    |

  9. What is the minimum value of a^(2)x + b^(2)y, if xy = c^(2)

    Text Solution

    |

  10. If x^(2)+y^(2)=r^(2), then x is equal to

    Text Solution

    |

  11. A solid cylinder has total surface area of 462 sq. cm. Its curved surf...

    Text Solution

    |

  12. What is the minimum value off |x(x-1)+1|^(1//3), where 0 le x le 1?

    Text Solution

    |

  13. A flower in the form of a sector has been fenced by a wire of 40 m len...

    Text Solution

    |

  14. In the interval (-1, 1), the function f(x) = x^(2) - x + 4 is :

    Text Solution

    |

  15. The function f(x) = sin x + cos x will be

    Text Solution

    |

  16. If sin theta - cos theta = 0 then find the value of cot theta

    Text Solution

    |

  17. What is the maximum value of 16 sin theta -12 sin^(2)theta ?

    Text Solution

    |

  18. Three sides of a trapezium are each equal to 6 cm. Let a in (0,pi/2)...

    Text Solution

    |

  19. Three sides of a trapezium are each equal to 6 cm. Let a in (0,pi/2)...

    Text Solution

    |

  20. The length of the parallel sides of a trapezium are 51 cm and 21 cm , ...

    Text Solution

    |

  21. Which one of the following is the second degree polynomial function f(...

    Text Solution

    |