Home
Class 11
MATHS
If f Q to Q is defined as f(x) =x^(2), f...

If f `Q to Q` is defined as `f(x) =x^(2), f^(-1)(9)` is equal to .

A

3

B

`-3`

C

`{-3,3}`

D

`phi`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER-6

    ICSE|Exercise SECTION-B |10 Videos

  • MODEL TEST PAPER-6

    ICSE|Exercise SECTION - C|10 Videos

  • MODEL TEST PAPER-2

    ICSE|Exercise Section-C|10 Videos

  • MODEL TEST PAPER-7

    ICSE|Exercise SECTION - C|10 Videos

Similar Questions

Explore conceptually related problems

If f: Q->Q is defined as f(x)=x^2,\ t h e n\ f^(-1)(9) is equal to a. 3 b. -3 c. varphi d. {-3,3}

If f:[1, oo) rarr [1, oo) is defined as f(x) = 3^(x(x-2)) then f^(-1)(x) is equal to

A function f :Rto R is defined as f (x) =3x ^(2) +1. then f ^(-1)(x) is :

A function f :Rto R is defined as f (x) =3x ^(2) +1. then f ^(-1)(x) is :

If f: Q->Q is given by f(x)=x^2 , then find f^(-1)(9)

If f is defined by f(x)=x^2 , find f\ '\ (2) .

If f: Q->Q is given by f(x)=x^2 , then find f^(-1)(0)

If f: Q->Q is given by f(x)=x^2 , then find f^(-1)(5)

If f : R rarr R be defined as f(x) = 2x + |x| , then f(2x) + f(-x) - f(x) is equal to

If Q is the set of rational numbers, then prove that a function f: Q to Q defined as f(x)=5x-3, x in Q is one -one and onto function.