# Let C ( t ) be the cost of tuition at CBU in dollars for t years since 1990. A quadratic model for the data is

2021-10-25

The following table shows the tuition for a semester at CBU in dollars for years since 1990.

Year CBU Tuition
2 3995
5 5000
8 6200
11 7450
14 8855
17 10420
20 12160

A scatter plot for the data and a graph of a linear model in black and a quadratic model in red follows.

3691215182140005000600070008000900010000110001200013000

Use the above scatter plot to decide which model better fits the data.

none

linear

Let C(t)C(t) be the cost of tuition at CBU in dollars for t years since 1990.
A  quadratic  model for the data is
C(t)C(t)  =    .

Estimate the tuition in 2016. $Use the model to predict the year in which the tuition will be$15325.

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