Home
Class 10
MATHS
A = { -2,-1,1,2} and f = { ( x , (1)/(x)...

A = { -2,-1,1,2} and f = `{ ( x , (1)/(x) ) : x in A }`.
Write down the range of f. Is f a function from A to A ?

Text Solution

Verified by Experts

The correct Answer is:
`(1)/(2) cancel(in)` A
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED|20 Videos

  • NUMBERS AND SEQUENCES

    FULL MARKS|Exercise ADDITIONAL QUESTION SOLVED (III. ANSWER THE FOLLOWING).|12 Videos

  • SAMPLE PAPER - 10 (UNSOLVED)

    FULL MARKS|Exercise PART - IV|2 Videos

Similar Questions

Explore conceptually related problems

The range of the function f(x) = x^2 +2x +2 is

f(x) = x^2 +1 ,0 le x le 2 find the range of the function f.

The range of f(x) = x^2 + 1 is

Find the range of the function f(x)=(1)/(1-3 cos x)

Let f:RtoR be defined by f(x)=x/(1+x^2),x inR . Then the range of f is

Find the range of the function f(x)=(1)/(2+sin3x) .

If f(x)=(log)_e((x^2+e)/(x^2+1)) , then the range of f(x)

Find the domain and range of the function f(x)=(1)/sqrt(x-5)

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 :

FULL MARKS-RELATIONS AND FUNCTIONS -ADDITIONAL QUESTIONS SOLVED (ANSWER THE FOLLOWING QUESTIONS)
  1. Let A = {10,11,12,13,14} , B = {0,1,2,3,5} and f(i) : A rarr B , I = ...

    Text Solution

    |

  2. If X = {1,2,3,4,5}, Y = {1,3,5,7,9} determins which of the following r...

    Text Solution

    |

  3. A = { -2,-1,1,2} and f = { ( x , (1)/(x) ) : x in A }. Write down th...

    Text Solution

    |

  4. Let A = { 5,6,7,8} , B = {-11,4,7,-10,-7-9,-13} and f = {(x,y): y = ...

    Text Solution

    |

  5. Let A={1, 2, 3, 4, 5}, B=N and f: A to B be defined by f(x)=x^(2). Fin...

    Text Solution

    |

  6. Find the domain and range of the following (i) f = {(1,2),(2,3),(3,...

    Text Solution

    |

  7. Given P = {-2,-1,0,1} Q= {1,-2,6,-3} R = {x,y/y = x^(2) - 3 x in P...

    Text Solution

    |

  8. Given f(x) = 3x - 2 , g(x) = 2x^(2) find (i) fog and (ii) gof what d...

    Text Solution

    |

  9. If f : R rarr R is defined by f (x) = ax + 3 and g : R rarr R is def...

    Text Solution

    |

  10. Given f(x) = 3 + x : g(x) = x^(2) h(x) = (1)/(x) find fo (goh)

    Text Solution

    |

  11. If f(x) = x + 3 where A = { 4,6,8,10} B = {7,9,11,13} and f : A rarr...

    Text Solution

    |

  12. Given A = {2,3,5}, B = {1,2,3} C = {2,5}, D = {2,3,5} check if (A ...

    Text Solution

    |

  13. Study the relation given below an set builder form. Represent each of ...

    Text Solution

    |

  14. State whether the following graphs represent a founction. Give reason ...

    Text Solution

    |

  15. Let A={6,9,15,18,21}, B={1,2,4,5,6} and f : A to B be defined by f...

    Text Solution

    |

  16. Let A = {4,6,8,10} and B= {3,4,5,6,7}. If f : A rarr B is defined by...

    Text Solution

    |

  17. A function f [-3, 7] rarr R is defined as follows f(x) = {{: (4x^(2) -...

    Text Solution

    |

  18. A function f:[-7, 6) to R is defined as follows. f(x)={(x^(2)+2x+1, ...

    Text Solution

    |

  19. Let A={0, 1, 2, 3} and B={1, 2, 3, 5, 7, 9} be two sets. Let f: A to B...

    Text Solution

    |

  20. A function f : (1,6) rarr R is defined as follows f(x) = {{: (1 + x,...

    Text Solution

    |