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If f:RrarrR be a function defined by f(x...

If `f:RrarrR` be a function defined by f(x)=cos(5x+2), then f is

A

injective

B

surjective

C

bijective

D

none of these.

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SHARAM PUBLICATION-RELATIONS AND FUNCTIONS-EXAMPLE
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  3. If f:RrarrR be a function defined by f(x)=cos(5x+2), then f is

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  10. If the binary operation ** on set of integers Z is defined as a**b=a+3...

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  11. Let * be a binary operation on set of integer. I defined by a**b=2a+b...

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  12. Let **:RtimesRrarrr is defined as a**b=2a+b Find(2**3)**4.

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  13. Let * is a binary operation on set of integers I defined by a**b=3a+4b...

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  14. Prove that for any f:X rarr Y , f o idx = f =idY of.

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  16. Let R be the relation on the set R of real numbers such that aRb iff a...

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  18. Show that the relation R defined on the set Z of all integers defined ...

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