Adrama club is planning a bus trip to new york city. the cost per person for the bus rental varies inversely as the number of people going on the trip. it will cost $30 per person if 44 people go on the trip. how much will it cost per person if 20 people go on the trip?

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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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