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a general change that you can see when examining data.
points that lie on the same line (so that the gradient is the same at each point).
the set of possible y-values (values of the dependent variable) for a function.
the general increase in prices, linked to a decrease in the purchasing value of money.
a summary of a data set that includes the minimum and maximum values, and the first, second and...
a sequence with a constant second difference between consecutive terms has a quadratic general...