The graph at the right shows Lanna’s total distance in miles for each day she is training for a marathon. Her friend, Sam, has a distance that can be represented by the function y = 4x, where y
is the number of miles ran and x is the number of days.
Which person is running more per day? How much are they running? The graph at the right
shows Lanna’s total distance in miles for each day she is training for a marathon. What is her
distance on day 10?
How many miles will Sam run by day 10?
How many miles will Lanna run by day 10?