Mathematics, 21.04.2020 20:14 ProAtWork7

Ordered pairs in which of these formats would always represent a function, assuming that the cost of fruit stays the same?

A) (total cost of apples, total cost of groceries)
B) (number of oranges bought, total cost of groceries)
C) (number of apples bought, total cost of apples)
D) (number of apples bought, number of oranges bought)

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