Alfred goes biking every weekend. On an average weekend, he travels 14 miles per hour for 7 hours. He noticed that every 1.1 mie per hour increase in speed causes him to bike for 0.5 hours less. Which equation shows the average distance Alfred raveis asa
function of x, the number of 1.1 mile per hour increases over 14 miles per hour?
A. D(x) = x2 + x + 98
B. D(x) = 0.5x2 + 98
C. D(x) = -0.55x2 - x - 98
D. D(x) = -0.55x2 + x +98