An athlete has decided to track how many minutes they exercise each day. During the first day, the athlete exercised for 30 minutes. For each day after that, the athlete increased their exercise time by 3 minutes. Which equation in point-slope form models the number of minutes the athlete exercises, y, based on the day, x? A: y-30=3(x-1)

B: y+30=3(x+1)

C: y-1=3(x-30)

E: y+1=3(x+30