Recent questions in Exponential models

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

quadratic

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) = .

Use three decimals in your answer.

Estimate the tuition in 2016. $

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

Efan Halliday
2021-09-20
Answered

x f(x)

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