Home
Class 12
MATHS
Let x = (a,b,c) and Y = (0,1,2,3,4,5), d...

Let x = (a,b,c) and Y = (0,1,2,3,4,5), define a one-one function from X to Y. does there exist an onto function form X to Y? If not, give reason.

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|401 Videos
  • PROBABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|467 Videos
  • THREE DIMENSIONAL GEOMETRY

    PRADEEP PUBLICATION|Exercise EXERCISE|373 Videos

Similar Questions

Explore conceptually related problems

Let A={1,2,3}, B.:= {4, 5, 6,7}, and f = {(1, 4), (2,5), (3, 6) be function from A to B state whether the function f is one-one or not.

Let N rarr N be defined by f (x) = 3x. Show that f is not an onto function.

If X={1,2,3,4,5} and Y={a,b,c,d,e,f} and f:X rarr Y , find the total number of functions .

Show that the function f : X -> Y, such that f(x)= 5x + 7 is one-one.

Let X = (-2,-1,0,1,2,3) and Y = (0,1,2,…..,10) and f : X rarr Y be a function defined by f(x) = x^2 for all x in X, find f^-1 (A) where A = (0,1,2,4)

If y is a function of x then (d^2y)/(dx^2)+y \ dy/dx=0. If x is a function of y then the equation becomes

let the function : f R rarr R to be defined by f(x) = cos x for all x in R is neither one-one nor onto.

Show that the function f:N rarr N given by f(x) = 5x is one-one but not onto.

Let the function f: R-{-b}->R-{1} be defined by f(x)=(x+a)/(x+b) , a!=b , then f is one-one but not onto (b) f is onto but not one-one (c) f is both one-one and onto (d) none of these

PRADEEP PUBLICATION-RELATIONS AND FUNCTIONS-EXERCISE
  1. Give an example of a function which is one-one but not onto

    Text Solution

    |

  2. If X = {a,b,c,d} and Y = {f,b,d,g}, find X-Y and Y-X.

    Text Solution

    |

  3. Let x = (a,b,c) and Y = (0,1,2,3,4,5), define a one-one function from ...

    Text Solution

    |

  4. Prove that the function f:N rarrN defined by f(x)=x^2 +x+ 1 is one -on...

    Text Solution

    |

  5. Let f, X rarr Y be defined by f(x) = x^2 +1, for all x in X where X =...

    Text Solution

    |

  6. Which of the following functions are one-one? f(x) = 3x + 2

    Text Solution

    |

  7. Which of the following functions are one-one? f(x) = 2x^2 + 3

    Text Solution

    |

  8. Which of the following functions are one-one? f(x) = (1)/(3x-4)

    Text Solution

    |

  9. Whether the following functions is one-one? f(x) = (1)/(x^2) + 1

    Text Solution

    |

  10. Whether the following functions are one-one? f(x) =x + (1)/(x)

    Text Solution

    |

  11. Let A = (-1,1). In each of the following cases, check whether f, A ra...

    Text Solution

    |

  12. Whether the following functions are one-one? f(x) = |x|

    Text Solution

    |

  13. Whether the following functions are one-one? f(x) = x|x|

    Text Solution

    |

  14. Whether the following functions are one-one? f(x) = x^2

    Text Solution

    |

  15. Let f : X rarr Y be defie by f(x) = x^2 for all x in X where X = (-...

    Text Solution

    |

  16. Let f : X rarr Y be defie by f(x = x^2 for all x in X where X = (-2...

    Text Solution

    |

  17. Let f : X rarr Y be defie by f(x = x^2 for all x in X where X = (-2...

    Text Solution

    |

  18. Let f : N rarr N be defined by f (X) = x + 3 for all x in N, obtain f^...

    Text Solution

    |

  19. If f = (5,2),(6,3), g = (2,5),(3,6), write fog.

    Text Solution

    |

  20. Let f : R rarr R be defined by f (x) = x^2 - 3x + 4 for all x in R , ...

    Text Solution

    |