A park ranger on top of a 55-foot tower spots a fire at an angle of depression of 39 degrees. Approximately how far is the fire from the park ranger? Sketch and label a diagram to help you solve. Round to the nearest tenth. X=​

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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