Use the function described below to answer questions 1 - 5.

The function y = 10800(1.08)x models the cost of annual tuition (in thousands of dollars) at a local college x years after 1997.
What was the annual tuition in the year 1997?

Question

Use the function described below to answer questions 1 - 5. 

The function y = 10800(1.08)x models the cost of annual tuition (in thousands of dollars) at a local college x years after 1997.
What was the annual tuition in the year 1997?

aum · Answer

"x" represents the number of years AFTER 1997.
But they want the annual tuition for the year 1997.  What is "x" for the year 1997?
Put that x in y = 10800(1.08)^x  to find the tuition for the year 1997.