The Average Yearly Cost $C$ Of Higher Education at Public Institutions in the U

question 84

Multiple Choice

The average yearly cost $C$ of higher education at public institutions in the U.S. for the academic years 1995/1996 to 2004/2005 can be modeled by $C = 30.57 t ^ { 2 } - 259.6 t + 6828,$ $6 \leq t \leq 15$ where $t$ represents the year, with $t = 6$ corresponding to the 1995/1996 school year. Use the model to predict the academic year when the average yearly cost of higher education at public institutions exceeds $7600.

• A)1995/1996
• B)1999/2000
• C)2002/2003
• D)2000/2001
• E)1996/1997

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Definitions:

Square Root

A value that, when multiplied by itself, gives the original number.

Directly Proportional

The relationship between two variables where if one variable increases, the other variable increases by the same factor.

Total Revenue

The total income generated from the sale of goods or services, calculated as the unit price multiplied by the quantity sold.

Constant of Proportionality

The constant of proportionality is the factor that relates two variables that are directly proportional to one another.