(13) The graph below shows the cost of basic cable service from 2002 to 2010. Monthly Cost of Cable Services $70.00 $60.00 $57.95 $61.99 $49.95 $53.65 Cost in dollars $50.00 $40.07 $43.35 $47.00 $40.00 $34.99 $37.03 $30.00 $20.00 $10.00 $0.00 2002 2003 2004 2005 2006 2007 2008 2009 2010 Year (a) An employee of the cable company made a linear equation of the data using the 2002 cost as a starting value and the 2005 cost as a second data point. What is the company's equation? Use C for the cost per month and t for time in years since 2002. (b) A consumer advocate made a linear equation of the data using the 2002 cost as a starting value and the 2009 cost as a second data point. What is the advocate's equation? Use C for the cost per month and t for time in years since 2002. (c) What will the cost per month be in 2015 based on the company's model found in (a)? Based on the consumer advocate's model found in (b)? (Hint: Remember that t is the number of years since 2002.) Company's projection: Consumer advocate's projection: 7 Phillip Dampier, "Happy Summer Rate Increase Comcast Customers! Rates up for a Second Time in 10 Months for Many," Stop the Cap!, last modified July 20, 2010, s-for-many. http://stopthecap.com/2010/07/20/happy-summer-rate-increase-comcast-customers-rates-up-for-a-second-time-in-10-month Quantway Version 2.7, @ 2018 WestEd. All rights reserved. 4.3 | 15