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    Mathematics
    Grade10
    Easy

    Question

    The first step before modelling a function to a data set is _________.

    1. Confirming that the differences in the consecutive y-values are constant    
    2. Confirming that the second differences are constant    
    3. Confirming that the differences in the consecutive x - values are constant    
    4. Confirming that the ratios of consecutive y - values are constant    

    The correct answer is: Confirming that the differences in the consecutive x - values are constant

      The first step to check before modelling a function to a data set is confirming that the differences in the consecutive x-values are constant.

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