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January 29, 2015

January 29, 2015

Posted by **Kim** on Sunday, May 9, 2010 at 11:22pm.

T= 3/5n + 5

where n is the number of years since 1985. That is, corresponds to 1985, corresponds to 1990, and so on. Show your work and explain each answer.

Source: Statistical Abstract of the United States, 2003

a. Find the cost of tuition in 1985, 1996, 2000, and 2004.

b. Graph the equation and then use the graph to estimate the cost of tuition in 2005. Use the drawing tools to draw your line on the graph.

c. Predict the year in which the cost of tuition will be $23,000. Explain your answer.

- college algebra -
**Reiny**, Monday, May 10, 2010 at 7:39am1985 , --- t = 0

1996 , --- t = 11

etc.

b) you will have to do the graph, hard to show graphs on here

c) set T = 23

23 = (3/5)n + 5

18 = (3/5)n

90 = 3n

n= 30 years from 1985 or in 2075

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