Janell starts 10 m from a motion sensor and walks at 2 m/s toward the sensor. When

Question:

Janell starts 10 m from a motion sensor and walks at 2 m/s toward the sensor. When she is 3 m from the sensor, she stantly turns around and walks at the same speed back to the starting point.
a. Sketch a graph of the function that models Janell's walk.
b. Give the domain and range of the function.
c. Write an equation of the function?