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The adjoining diagram shows that...

The adjoining diagram shows that

A

f is a function from A to B

B

f is a one-one function from A to B

C

f is an onto function from A to B

D

f is not a function from A to B

Text Solution

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The correct Answer is:
D
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ICSE-RELATIONS AND FUNCTIONS -MULTIPLE CHOICE QUESTIONS
  1. If A={1,2,3} and B={1,3,4,7} and R is a relation from A to B defined b...

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  2. If A={1,2,3) and B={a,b}, then the number of functions from A to B is

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  3. The adjoining diagram shows that

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  4. If a function f:RtoR is defined by f(x){{:(2x,xgt3),(x^(2),1lexle3),...

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  5. If a function f:RtoR is defined by f(x)=x^(2)+1, then pre-images of 17...

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  6. If a function f:CtoC is defined by f(x)=3x^(2)-1, where C is the set ...

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  7. If a function f:[2,oo)toR is defined by f(x)=x^(2)-4x+5, then the rang...

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  8. If a function f:QtoR is defined by f(x)=(2x-1)/(2) and function g:QtoR...

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  9. If function f:RtoR is defined by f(x)=sinx and function g:RtoR is defi...

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  10. If f:RtoR is defined by f(x)=3x^(2)-5 and g:RtoR is defined by g(x)=(x...

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  11. If function f:NtoN is defined by f(x)=2x+3, for all x inN then f is

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  12. If function f:ZtoZ is defined by f(x)={{:((x)/(2), "if x is even"),(0,...

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  13. If a function f:RtoR is defined by f(x)=(x^(2)-5)/(x^(2)+4), then f is

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  14. If f:[0,1]to[0,1] is defined by f(x)={{:(x," if x is rational"),(1-x,"...

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  15. If A={1,2,3,.....n],nge2 and B={a,b}, then the number of surjections f...

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  16. If A={a,b,c} and B={-3,-1,0,1,3}, then the number of injections that c...

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  17. If A and B are two sets such that n(A)=5 and n(B) = 6, then the number...

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  18. If function f:AtoB is a bijective , then f^(-1) of is

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  19. If function f:RtoR is defined by f(x)=3x-4 then f^(-1)(x) is given by

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  20. which of the following functions from ZtoZ is a bijection ?

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