A Runner Competed in a Half Marathon in Anaheim, a Distance

Essay

A runner competed in a half marathon in Anaheim, a distance of 13.1 miles.She ran the first 7 miles at a steady pace in 48 minutes, the second 3 miles at a steady pace in 28 minutes and the last 3.1 miles at a steady pace in 18 minutes.
a)Sketch a well-labeled graph of her distance completed with respect to time.
b)Sketch a well-labeled graph of her velocity with respect to time.