Assignment:
Q1. The credit remaining on a phone card(in dollars)is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of -0.15. There is 29.35 in credit remaining on the card after 29 minutes of calls. How much credit will there be after 41 minutes of calls?
Q2. Write an equation of the line with points(-6,2) and (-1,1).
Provide complete and step by step solution for the question and show calculations and use formulas.