Use a graphing calculator!

Regression practice questions 1. Kristin has decided she will run from Winnipeg to Vancouver as part of a fundraising effort 20 km in the first day and plans to increase her distance gradually each day The chart below shows how far Kristin runs in the first 7 days of her fundraising effort. Days Distanceikm) 1 ' 20 2 ' 21.6 3 ' 23.3 4 25.2 5 ' 27.2 6 I 29.4 7 31.3 a ) Determine an equation that best models the data b ) Determine how for Kristin will run on day 10 c ) When will she run 50 km per dayr for the first time