Home
Class 12
MATHS
Let f(x)={(|x|,for 0<|x|lt=2), (1,"for"x...

`Let f(x)={(|x|,for 0<|x|lt=2), (1,"for"x=0):}` Then at x=0, f(x) has
(a) a local maximum
(b) no local maximum
(c) a local minimum
(d) no extremum

A

a local maximum

B

no local maximum

C

a local minimum

D

no extremum

Text Solution

Verified by Experts

The correct Answer is:
1


From the graph `f(0^(+))ltf(0^(+))and f(0^(-))lt0` Thus x=0 is the point of maxima
Promotional Banner

Topper's Solved these Questions

  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE ENGLISH|Exercise Multiple correct answers type|48 Videos
  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE ENGLISH|Exercise Numerical Value Type|24 Videos
  • MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS

    CENGAGE ENGLISH|Exercise Concept Application Exercise 6.7|5 Videos
  • METHODS OF DIFFERENTIATION

    CENGAGE ENGLISH|Exercise Single Correct Answer Type|46 Videos
  • MONOTONOCITY AND NAXINA-MINIMA OF FUNCTIONS

    CENGAGE ENGLISH|Exercise Comprehension Type|6 Videos

Similar Questions

Explore conceptually related problems

Let f(x)=x^(3) find the point at which f(x) assumes local maximum and local minimum.

Let h(x)=x^(m/n) for x in R , where m and n are odd numbers where 0 < m < n. Then y= h(x) has a. no local extremums b. one local maximum c. one local minimum d. none of these

Let f(x) be a function defined as follows: f(x)=sin(x^2-3x),xlt=0; and 6x+5x^2,x >0 Then at x=0,f(x) (a) has a local maximum (b) has a local minimum (c) is discontinuous (d) none of these

Let f(x)=sinx-x" on"[0,pi//2] find local maximum and local minimum.

For x in (0,(5pi)/2) , define f(x)""=int_0^xsqrt(t)sint"dt" Then f has : local maximum at pi and 2pi . local minimum at pi and 2pi local minimum at pi and local maximum at 2pi . local maximum at pi and local minimum at 2pi .

Let f(x) =x +(1)/(x). find local maximum and local minimum value of f(x) . Can you explain this discrepancy of locally minimum value being greater than locally maximum value.

Lert f:[a , b]vec be a function such that for c in (a , b),f^(prime)(c)=f^(ii) (c)=f^(iii) (c)=f^(iv) (c)=f^v(c)=0. Then f (a)has a local extermum at x=cdot f (b)has neither local maximum nor minimum at x=c f (c)is necessarily a constant function (d)it is difficult to say whether a)or(b)dot

Find the points of local maxima and local minima, if any, and local maximum and local minimum values of f(x)=sin2x , where 0ltxltpi

Find the points of local maxima and local minima, if any, and local maximum and local minimum values of f(x)=sin^4\ x+cos^4\ x , 0

Find the points of local maxima and local minima, if any, and local maximum and local minimum values of f(x)=sinx-cosx ,where 0ltxlt2pi

CENGAGE ENGLISH-MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS-Exercise
  1. If f(x)=x^5-5x^4+5x^3-10 has local maximum and minimum at x=p and x=q ...

    Text Solution

    |

  2. Let P(x)=a0+a1x^2+a2x^4++an x^(2n) be a polynomial in a real variable ...

    Text Solution

    |

  3. Let f(x)={(|x|,for 0<|x|lt=2), (1,"for"x=0):} Then at x=0, f(x) has ...

    Text Solution

    |

  4. If f(x)=x^3+b x^2+c x+d and 0<b^2<c , then f(x) is a strictly increasi...

    Text Solution

    |

  5. If f(x)={(sin(x^(2)-3x),xle0 6x+5x^(2),xgt0 then at x=0, f(x) is?

    Text Solution

    |

  6. The greatest value of f(x)=cos(x e^([x])+7x^2-3x),x in [-1,oo], is (wh...

    Text Solution

    |

  7. The function f(x)=(4sin^2x-1)^n(x^2-x+1),n in N , has a local minimum...

    Text Solution

    |

  8. The true set of real values of x for which the function f(x)=xlnx-x+1 ...

    Text Solution

    |

  9. All possible value of f(x)=(x+1)^(1/3)-(x-1)^(1/3) on [0,1] is 1 (b) ...

    Text Solution

    |

  10. The function f(x)=(ln(pi+x))/(ln(e+x)) is

    Text Solution

    |

  11. If the function f(x)=2x^3-9ax^2+12a^2x+1, where a gt 0, attains its m...

    Text Solution

    |

  12. Let f(x)={x+2,-1lelt0 1,x=0 (x)/(2),0ltxle1

    Text Solution

    |

  13. If f(x)={sin^(-1)(sinx),xgt0 (pi)/(2),x=0,then cos^(-1)(cosx),xlt0

    Text Solution

    |

  14. A function f is defined by f(x)=|x|^m|x-1|^nAAx in Rdot The local max...

    Text Solution

    |

  15. Let the function f(x) be defined as follows:f(x)= x^3 +x^2 −10x,−1≤x<...

    Text Solution

    |

  16. Consider the function f:(-oo,oo)vec(-oo,oo) defined by f(x)=(x^2+a)/(x...

    Text Solution

    |

  17. F(x) = 4 tan x-tan^(2)x+tan^(3)x,xnenpi+(pi)/(2)

    Text Solution

    |

  18. Let h(x)=x^(m/n) for x in R , where m and n are odd numbers where 0<...

    Text Solution

    |

  19. The greatest value of the function f(x)=(sin2x)/(sin(x+pi/4)) on the i...

    Text Solution

    |

  20. The minimum value of e^((2x^2-2x+1)sin^(2)x) is a. e (b) 1/e (c) 1 ...

    Text Solution

    |