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    Mathematics
    Grade10
    Easy

    Question

    For a relation, where y is a function of x, and y = 4 when x = 6; which of the following does not represent another possible mapping in the relation?

    1. x = 1 maps to y = 6    
    2. x = 0 maps to y = 0    
    3. x = 4 maps to y = 6    
    4. x = 6 maps to y = 2    

    hintHint:

    Since y is a function of x. No same value of x should be mapped to different values of y.

    The correct answer is: x = 6 maps to y = 2

      Step by step solution:
      According to the definition of a function, no same values of x can be mapped to different values of y.
      It is given that y = 4 when x = 6.
      Thus, the option among the given options which does not represent another possible mapping in the relation is x=6 maps to y = 2.
      Hence, option(a) is the correct option.

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