A car wash chain has three locations. use the information in the table below to write and evaluate an expression to estimate the total number of car washes sold over a 4-day period. Location 1 = 145 daily car washes, location 2 = 211 daily car washes, location 3 = 184 daily car washes

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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.

step-by-step explanation:

the function makes a strait line horizontally with no x intercept but a y intercept at 9.