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If the function f: R->R be such that f(x...

If the function `f: R->R` be such that `f(x) = x-[x],` where `[x]` denotes the greatest integer less than or equal to `x,` then `f^-1(x)` is

A

[x]-x

B

1/x-[x]

C

not defined

D

none of these

Text Solution

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The correct Answer is:
C
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QUANTUM CAT-FUNCTIONS AND GRAPHS-QUESTION BANK
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  4. If f(x)=x^2+2 then f^-1(x) is :

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  5. If f(x)=5^(x), then f^(-1)(x) is :

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  7. If f(x)=(x-1)/(x+1), then f^(-1)(x) is :

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  13. For every a, b in N a" @ "b=a^(2)" when "(a+b)" is even" =a^(2)-b^...

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  14. What is the average of all two digit natural numbers?

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