AMC8 2022 Problem 10

One sunny day, Ling decided to take a hike in the mountains. She left her house at 8 a.m., drove at a constant speed of 45 miles per hour, and arrived at the hiking trail at 10 a.m. After hiking for 3 hours, Ling drove home at a constant speed of 60 miles per hour. Which of the following graphs best illustrates the distance between Ling’s car and her house over the course of her trip?

Answer Choices
A. 2022_que_10a

B. 2022_que_10b

C. 2022_que_10c

D. 2022_que_10d

E. 2022_que_10e