linear model word problem

Rani

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Sep 15, 2011
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In 1990 Tampa, Florida, had a population of 280,015. From 1990 throught 1996, the population increased at an average rate of about 850 per year. Write a linear model for the population of Tampa.
850x=280015
 
a linear model for the population of Tampa

850x = 280015

What does the variable x represent, in your model above? You must always define the symbols, when writing a mathematical model!

If your symbol x has something to do with time, then where is the symbol representing the population?

In other words, your model should look something like the following:

x is the < definition goes here >

y is the population of Tampa

y = < some expression containing x goes here >
 
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