The percentage of homes with digital TV services stood at 5% at the beginning of 1999 (t=0) and was projected to grow linearly so that, at the beginning of 2003 (t=4), the percentage of such homes was 25%. 1. Derive an equation of the line passing through the points A(0,5) and B(4,25). 2. Using the equation found in part a find the percentage of homes with digital TV services at the beginning of 2001