You brake your car from a speed of 55 mph, and in doing so, your car's speed decreases by 10 mph every second. The table shows braking data that represent your car's speed versus the amount of time elapsed from the moment that you applied the brake.
(table in image)
Does the data represent a linear function? Why or why not?
a. Yes, the average rate of change is constant.
c. There is not enough information to determine whether this is a linear function.
b. No, the average rate of change is not constant.
d. No, this is not a linear equation.