Question:
The traffic flow rate (cars per hour) across an intersection
Last updated: 7/26/2022
![The traffic flow rate (cars per hour) across an intersection](https://media.kunduz.com/media/sug-question/raw/77045909-1658847629.3713486.jpeg?h=512)
The traffic flow rate (cars per hour) across an intersection is r(t) = 500 + 600t - 120t^2, where t is in hours, and t=0 is 6am. How many cars pass through the intersection between 6 am and 8 am?