Help please...and thank you! A group of people tried following a healthy eating program for various amounts of time to see if it would help them to lose weight. This table shows the relationship between the number of weeks each person spent on the healthy eating program and the number of pounds they lost. Weeks 2 6 5 1 3 5 4 8
Pounds Lost (lb) 2 2.5 4.5 0 2 5 3.5 5.5

Which function best models the data?

y = 0.13x + 1.75

y = 0.68x + 0.22

y=−0.5x+3

y=−0.22x+0.7