help please!! ill give brainliest!

Answer:
C Traveled 120 miles in three hours
Step-by-step explanation:
A car travels a max of 40 miles an hours and the equation is y=40x,
the intervals are (3,120) the 3 represents x so you just solve the equation. y=40(3)= 120
which means the car taveled 120 miles in three hours