Answer:
Rate of change is [tex]35[/tex] miles per hour.
Step-by-step explanation:
Rate of change is measure that describes how one quantity changes relative to the other.
Here one quantity that is measured is distance and the other is time.
So the rate of change can be expressed as,
Rate of change = [tex]\frac{Distance}{Time}[/tex]
=[tex]\frac{140miles}{4hours}[/tex]
=[tex]35[/tex] miles per hour
Therefore rate of change is [tex]35[/tex] miles per hour
