Runners in a long distance race start out going 8 kilometers east and then head north for the remainder of the race. the finish line is 10 kilometers from the starting line. how far did the runners travel north?

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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it is x equals 3   plese mark me really need it

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answer: it is 8

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you know why its 8

333.74 ! should be your answer for this question