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mathgirl501
how can you tell if a graph represents a one to one function
A function is said to be 1-1 if, when your draw a horizontal line through the graph, it intersects the graph at only 1 point.
please explain we don't want Hero to get upset for thinking your giving me answers
Mathematically, For every value of x there is exactly 1 unique y value that corresponds to each value for x.