Mathematics, 27.07.2019 14:00 leilei2003
Which statement is true? a. a mapping is a function if there is the same number of x-values as there are y-values. b. a table of values describes a function if all the x-values are different. c. a set of ordered pairs that describe a function must lie in a line when graphed. d. a graph describes a function if no point on the graph lies directly left or right or another point of the graph.
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