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(Solved): The traffic flow rate (cars per hour) across an intersection is \( r(t)=400+1000 t-210 t^{2} \), wh ...
The traffic flow rate (cars per hour) across an intersection is \( r(t)=400+1000 t-210 t^{2} \), where \( t \) is in hours, and \( t=0 \) is 6 am. How many cars pass through the intersection between 6 am and 7 am? cars Question Help: \( \square \) Video