Home
Class 12
MATHS
If f:RtoR is defined by f(x)=x^(3) then ...

If `f:RtoR` is defined by `f(x)=x^(3)` then `f^(-1)(8)=`

A

`{2,-2}`

B

`{2,2}`

C

`{2}`

D

`{2,omega,2omega^(2)}`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2007

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|59 Videos
  • KARNATAKA CET 2009

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

If function f:RtoR is defined by f(x)=3x-4 then f^(-1)(x) is given by

If f : R to R is defined by f (x) = 2x + 3 , then f^(-1) x

Let f : R to R be defined by f(x)=x^(4) , then

Let f: R to R be defined by f(x) = x^(4) , then

Let f:RtoR be a mapping defined by f(x)=x^(3)+5 , then f^(-1)(x) is equal to :

If f : R to R is defined by f(x) = x/(x^(2)+1) find f(f(2)) .

f:R->R is defined as f(x)=2x+|x| then f(3x)-f(-x)-4x=

Let f:RtoR be defined by f(x)=x^(2)+1 , then the value of f^(-1)(17)andf^(-1)(-3) respectively are :

Let f : R rarr R be a function defined by f(x) = x^3 + 5 . Then f^-1(x) is

If f : R to R is defined by f (x) =x ^(2) - 3x + 2, find f (f (x)).

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2008-MATHEMATICS
  1. A unit vector perpendicular to both the vectors hati+hatjandhatj+hatk ...

    Text Solution

    |

  2. If A=|{:(a(1),b(1),c(1)),(a(2),b(2),c(2)),(a(3),b(3),c(3)):}|andB=|{:(...

    Text Solution

    |

  3. If f:RtoR is defined by f(x)=x^(3) then f^(-1)(8)=

    Text Solution

    |

  4. R is a relation on N given by R={(x,y)|4x+3y=20} . Which of the fol...

    Text Solution

    |

  5. If log(10)7=0.8451 then the position of the first significant figure o...

    Text Solution

    |

  6. (1)/(2*5)+(1)/(5*8)+(1)/(8*11)+… upto n terms =

    Text Solution

    |

  7. The ten 's digit in 1!+4!+7!+10!+12!+13!+15!+16!+17! is divisible by

    Text Solution

    |

  8. If A=[{:(1" " 2),(3 " " 4):}] then A^(-1)=

    Text Solution

    |

  9. The set {-1,0,1} is not a multiplicative group because of the failure ...

    Text Solution

    |

  10. The angle of elevation of the top of a TV tower from three points A,B ...

    Text Solution

    |

  11. The angles A,B and C of a triangle ABC are in A.P. If b:c=sqrt(3):sqrt...

    Text Solution

    |

  12. sin(2sin^(-1)sqrt((63)/(65)))=

    Text Solution

    |

  13. A variable line (x)/(a)+(y)/(b)=1 is such that a+b=4. The locus of the...

    Text Solution

    |

  14. The point (5,-7) lines outside the circle

    Text Solution

    |

  15. If the circles x^(2)+y^(2)=9andx^(2)+y^(2)+2alphax+2y+1=0 touch each o...

    Text Solution

    |

  16. The locus of the midpoints of the line joining the focus and any point...

    Text Solution

    |

  17. The tangents drawn at the extremeties of a focal chord of the parabola...

    Text Solution

    |

  18. The equation (x^(2))/(2-lambda)+(y^(2))/(lambda-5)-1=0 represents an e...

    Text Solution

    |

  19. The equation to the normal to the hyperbola (x^(2))/(16)-(y^(2))/(9)=1...

    Text Solution

    |

  20. The converse of the contrapositive of the conditional pto~q is

    Text Solution

    |