Slope of 1,2 help please

What function has a range {yly< 5}? question on picture above^

Find four solutions of the given function. write the solutions as ordered pairs. 4x – y = 4

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work