Home
Class 11
MATHS
Let A = {-2,-1,0,1,2} and f:A to Z be gi...

Let A = {-2,-1,0,1,2} and f:A `to` Z be given by f(x) = `x^(2)-2x-3` then preimage of 5 is

A

`-2`

B

`-1`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SETS RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS (SECTION - B)|8 Videos

  • SETS RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS (SECTION - C)|5 Videos

  • SETS RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise EXERCISE 1.5|25 Videos

  • QUESTION PAPER -19

    SURA PUBLICATION|Exercise SECTION - IV|11 Videos

  • SURAS MODAL QUESTION PAPER-1 MATHEMATICS

    SURA PUBLICATION|Exercise Section-IV|20 Videos

Similar Questions

Explore conceptually related problems

Let A = { 1,2,3,4} and B =N .Let f : Ato B be defined by f (x) =x^(2) +1 then the range of f is :

If f: R to R is defined by f(x)=x^(2)+2 , then the preimage of 27 are ____.

Let A={1, 2, 3, 4, 5, 6}, B=W and f:A to is defined by f(x)=x^(2)-1 find the range of f.

Let f(x)=sqrt(1+x^(2)) then

Given f(x) =2x -x^(2) then f(1)+f(2) is :

Let f : Z to Z be given by f(x) = {((x)/(2) if"is even"),(0 if" is odd"):} Then f is

If f(x)=2x^(2)+3x-5 , then prove that f'(0)+3f'(-1)=0

Let f={(1,1),(2,3),(0,-1) , (-1,-3) } be a relation from Z to Z defined by f(x) = ax-b then (a,b) =

SURA PUBLICATION-SETS RELATIONS AND FUNCTIONS-ADDITIONAL PROBLEMS (SECTION - A)
  1. Let f : R to R be defined as f(x) = x^(4). Choose the correct answer.

    Text Solution

    |

  2. Let f : R to R to given by f(x) = (3 -x^(3))^((1)/(3)). Then of (x) is

    Text Solution

    |

  3. Let A = {-2,-1,0,1,2} and f:A to Z be given by f(x) = x^(2)-2x-3 then ...

    Text Solution

    |

  4. Which one of the following is a finite set ?

    Text Solution

    |

  5. If sube B, then A\B is

    Text Solution

    |

  6. Given A = {5,6,7,8}. Which one of the following is incorrect?

    Text Solution

    |

  7. The shaded region in the adjoining diagram represents.

    Text Solution

    |

  8. The shaded region in the adjoining diagram represents.

    Text Solution

    |

  9. Let R be a relation on the set NN given by RR= {(a,b) : a=b-2,b gt6}. ...

    Text Solution

    |

  10. If A = {1,2,3} , B = {1,4,6,9} and R is a relation from A to B defined...

    Text Solution

    |

  11. For real numbers x and y define x\ R\ y if x - y + sqrt(2) is an irrat...

    Text Solution

    |

  12. Let R be the relation over the set of all straight lines in a plane su...

    Text Solution

    |

  13. Which of the following is not an equivalence relation on z?

    Text Solution

    |

  14. Which of the following functions from z to itself are bijections (one-...

    Text Solution

    |

  15. Let f : Z to Z be given by f(x) = {((x)/(2) if"is even"),(0 if" is od...

    Text Solution

    |

  16. If f : RtoR is given by f(x) = 3x-5, then f^(-1)(x) is

    Text Solution

    |

  17. If f (x) = 2x-3 and g(x)= x^(2) +x-2 then go f(x) is

    Text Solution

    |

  18. Let f : RR to RR be given by f(x) = x+ sqrt(x^(2)) is

    Text Solution

    |

  19. Choose the correct statement .

    Text Solution

    |

  20. Match List - I with List II {:("List I","ListII"),("i"." " {(1,1)...

    Text Solution

    |