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If f: R->R be defined as follows: f(x)={...

If `f: R->R` be defined as follows: `f(x)={1,\ if\ x in Q-1,\ if\ x !in Q` Find: range of `fdot`

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range of `f={-1,1}`
pre-image of `1,-1` is` x in Q`
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RD SHARMA-FUNCTIONS-Solved Examples And Exercises
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  2. If f: RR->RR be defined as follows: f(x)={1,\ if\ x in QQ, -1,\ if\...

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  3. If f: R->R be defined as follows: f(x)={1,\ if\ x in Q-1,\ if\ x !in ...

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  7. Let f: R->R whre R^+ is the set of all positive real numbers, be such ...

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  14. If A = {p,q,r, s} and B = {1, 2, 3}, find which of the following is n...

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  15. If A = {p,q,r, s} and B = {1, 2, 3}, find which of the following is n...

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  17. If A = {p,q,r, s} and B = {1, 2, 3}, find which of the following is n...

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  20. If f(x)=x^2, find (f(1. 1)-f(1))/((1. 1-1))

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