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Let f(x)=1/(1-x) . Then, {f\ o\ (f\ o\ f...

Let `f(x)=1/(1-x)` . Then, `{f\ o\ (f\ o\ f)}(x)=(a) x` for all `x in R` (b) `x` for all `x in R-{1}` (c) `x` for all `x in R-{0,\ 1}` (d) none of these

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RD SHARMA ENGLISH-FUNCTION-All Questions
  1. If the function f:(1,oo) vec (1,oo) is defined by f(x)=2^(x(x-1)),t h ...

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  2. Let A={x in R : xlt=1} and f: A->A be defined as f(x)=x(2-x). Then, f...

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  3. Let f(x)=1/(1-x) . Then, {f\ o\ (f\ o\ f)}(x)=(a) x for all x in R...

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  4. If the function f: R->R be such that f(x) = x-[x], where [x] denotes t...

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  5. If F :[1,oo)vec[2,oo) is given by f(x)=x+1/x ,t h e nf^(-1)(x) equals....

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  6. Let g(x)=1+x-[x]a n df(x)={-1, x<0;0, if x=0;1, ifx >0 . Then for all ...

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  7. Let f(x)=(alphax)/((x+1)),x!=-1. for what value of alpha is f(f(x))=x ...

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  8. The distinct linear functions which map [-1, 1] onto [0, 2] are f(x...

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  9. If f :[2,oo)rarr(-oo,4], where f(x)=x(4-x) then find f^-1(x)

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  10. If f: Rvec(-1,1) is defined by f(x)=-(x|x|)/(1+x^2),t h e nf^(-1)(x) e...

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  11. Let [x] denote the greatest integer less than or equal to x . If f(x...

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  12. If g(x)=x^2+x-2a n d1/2gof(x)=2x^2-5x+2, then which is not a possible ...

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  13. If f(x)=sin^2x and the composite function g(f(x))=|sinx| , then g(x)...

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  14. Let f: R->R be given by f(x)=x^2-3 . Then, f^(-1) is given by sqrt(x+3...

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  15. Let f(x)=x^3 be a function with domain {0, 1, 2, 3}. Then domain of...

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  16. Let f: R->R be given by f(x)=x^2-3 . Then, f^(-1) is given by (a)sqrt(...

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  17. Let f: R->R be given by f(x)=tanx . Then, f^(-1)(1) is pi/4 (b) {npi+p...

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  18. Let f: R->R be defined as f(x)={ 2x, if x>3, x^2 if x is less than 1. ...

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  19. Let A={1,2,..., n} and B={a , b }. Then number of subjections from A i...

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  20. If the set A contains 5 elements and the set B contains 6 elements, th...

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