FST
Exponential Decay
Car Trade in Value Activity
Name: ______________________________________________
Date:________________________________________________
Instructions:
1.) Enter your data for Car-Trade-In-Value by clicking on the Google Docs data collection link for Car TradeIn Value vs Car Age on my web page
Google Docs Data Collection Car Trade-In Value vs Car Age
2.) View the class data by clicking on the Google Docs Shared spreadsheet for Car Trade-In Value vs Car Age.
Use the data to answer the questions below.
3.) Copy the data from Google Docs into Excel and create a graph of Car Trade in Value vs. Car Age. Draw a
Sketch of the graph below:
4.) The graph exhibits exponential
.
5.) Find an exponential regression model using the TI-84 graphing calculator.
y=
r2 =
.
.
6.) Write the equation of the asymptote for your model. y =
What does this tells us in the context of our problem?
.