The following describes Jason's trip as he rode a bus home from college
• The bus traveled a total distance of 310 miles
. During the first part of the trip, the bus traveled at a constant speed of 45 miles per hour.
• Then the bus entered a highway and finished the second part of the trip in 2 hours, at a constant speed of 65 miles per hour.
Which graph represents Jason's trip on the bus, showing his distance from home as a function of time?