. Question 8 0/5 pts 9 3 0 Details A phone company charges for service according to the formula: C(n) = 20 + 0.05n, where n is the number of minutes talked, and C(n) is the monthly charge, in dollars. The rate of change in this equation is: Select an answer The initial value in this equation is: Select an answer V Check Answer O A. Question 9 > 0/5 pts 9 3 0 Details Sketch a graph of f (ac) = - N CO x - 1 5 -4 -3 -2 -1 1 2 3 4 1 Clear All Draw: Check Answer O@ Question 10 v & o0/5 pts O 3 O Details Write an equation for the graph below in terms of & y: Check Answer Question 11 & 05 pts O 3 (O Details A car rental company offers two plans for renting a car: Plan A: 30 dollars per day and 14 cents per mile Plan B: 50 dollars per day with free unlimited mileage For what range of miles will plan B save you money? To save money the mileage must be greater than [ ] miles per day. Give your answer accurate to at least one decimal place Check Answer @ Question 13 >