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Does the following graph represent a fun...

Does the following graph represent a function or a relation?

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Vertical line x = 2 meets the above graph at (2, 1) and (2, 2). Hence the graph does not represent a function.
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Knowledge Check

  • In the set X = {a,b,c,d} which of the following relations represents a function ?

    A
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    B
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    C
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    D
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    B
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  • Which of the following graphs correctly represents the variation of Beta=-(dv//dp)/v with P for n ideal gas at constant temperature ?

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    B
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