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    Mathematics
    Grade10
    Easy

    Question

    For a relation, where y is a function of x, and y = 1 when x = 0; which of the following does not represent another possible mapping in the relation?

    1. x = 4 maps to y = 5    
    2. x = 0 maps to y = 0    
    3. x = 1 maps to y = 2    
    4. x = 3 maps to y = 4    

    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 = 0 maps to y = 0

      Step by step solution:
      It is given that y is a function of x and that y =1 when x = 0.
      No same value of c=x can be mapped to different values of y according to the definition if function.
      Thus, among the options the one which does not represent another possible mapping in the relation is : x = 0 maps y =0.
      Hence, option(b) is the correct option.

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