Suppose the annual fees for attending a public university were $1200 in 1986 and the annual cost increase is shown in the graph at right. Note that x represents the number of years after 1986 a. Write an equation to describe this situation
b. Use this model to predict the cost of attending a public university in the first year you would be eligible to enroll.
c. What was the cost in 1980, assuming the 10% increase still applied?
d. By 1993 the annual cost was actually $3276. How accurate was the model?
What acually happend?