Thursday

October 23, 2014

October 23, 2014

Posted by **justin** on Tuesday, February 15, 2011 at 8:58pm.

R(t)= 100(1-0.00012t^2)

car per min., where t is time in min. since 4:30.

a. find the average rate, in cars per min, at which cars enter the highway the 1st half hour.

b. find the average wight, in cars per min., at which cars enter the highway during the 2nd half hour

c. find the total number of cars that enter the highway during that hour.

d. cars also exit the freeway at a rate of

E(t)= 50 (1-e^(-t))

find the total number of cars on the highway for the first 30 min. assume no cars initially.

**Answer this Question**

**Related Questions**

AP Calculus AB - A traffic engineer monitors the rate at which cars enter a ...

math - During rush hour, Fernando can drive 20 miles using the side roads in the...

algebra - During rush hour, Bill can drive 60 miles using the side roads in the ...

math,algebra - can someone just set up the equations for me for this problem. ...

Math - The population of New York doubles during the workday. At the end of the ...

Math Time - 1:30pm - 2:30pm Is 110 minutes, correct? If not, how many minutes is...

Math - Which of the following statements describe an exponential relationship? ...

help,math - can some set the equation up for me. Science and medicine. A plane ...

TRIGONOMETRY - A passenger on a ship sailing north at 5.0 mph noticed that at ...

trigo - A passenger on a ship sailing north at 5.0 mph noticed that at noon a ...