Question modeling students per computer the following, Ask an Expert

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Question: Modeling Students per computer The following table gives the average number of students per computer in public schools for selected school years that ended in 1985 through 2006.

(a) Find an exponential model for these data. Let x be the number of years past 1980.

(b) Is this model an exponential growth function or an exponential decay function? Explain how you know.

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