Jacob is training for a marathon. His plan is to run the same distance for 3 days a week, then increase that distance by the same amount each week of training. During week 6, jacob runs 14 miles per day, which is 1. 5 miles more per day than he ran during week 5. Which equation represents the daily running distance, in miles, as a function of time, t, in weeks? f(t) = 0. 5t + 7 f(t) = 0. 5t + 11 f(t) = 1. 5t + 5 ft) = 1. 5t + 12. 5.