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Write the domain of the real function f ...

Write the domain of the real function `f` defined by `f(x)=sqrt(25-x^2)` .

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RD SHARMA ENGLISH-FUNCTION-All Questions
  1. Let f: Z->Z be defined by f(x)=x+2. Find g: Z->Z such that gof=IZ .

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  2. Which one the following relations on A={1,2,3} is function? f={(1,3),(...

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  3. Write the domain of the real function f defined by f(x)=sqrt(25-x^2) .

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  4. Let A}x :-1lt=xlt=1}a n df: Avec A such that f(x)=x|x|, then f is (a) ...

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  5. If the function f:[1,oo)rarr[1,oo) is defined by f(x)=2^(x(x-1)),t h e...

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  6. If f(x)=(x-1)/(x+1),x!=-1, then show that f(f(x))=-1/x provided that x...

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  7. Let f be a real function defined by f(x)=sqrt(x-1.) Find (fofof)(x)dot...

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  8. Let f: R-> R be the function defined by f(x)=4x−3 for all x in R. Then...

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  9. Find whether f: R->R given by f(x)=x^3+2 for all x in R .

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  10. Find whether f: Z->Z given by f(x)=x^2+1 for all x in Z

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  11. Show that the function f: Z->Z defined by f(x)=x^2 for all x in Z , i...

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  12. Discuss the surjectivity of f: R->R given by f(x)=x^3+2 for all x i...

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  13. Discuss the surjectivity of f: R->R given by f(x)=x^2+2 for all x i...

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  14. Discuss the surjectivity of f: Z->Z given by f(x)=3x+2 for all x in...

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  15. Show that the function f: N->N given by f(1)=f(2)=1 and f(x)=x-1 for e...

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  16. Show that the Signum function f:R->R, given by f(x)={(1,xgt0),(0,x=0),...

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  17. Prove that the function f: Q->Q given by f(x)=2x-3 for all x in Q ...

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  18. Show that the function f: R->R defined by f(x)=3x^3+5 for all x in R ...

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  19. Let A={x in R :-1lt=xlt=1}=B . Then, the mapping f: A->B given by f(...

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  20. Let A be the set of all 50 students of class X I I in a central scho...

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