Mathematics, 03.10.2021 23:00 ktprada
NEED HELP ASAP CORRECT EXPLANATION ONLY
The gates of an amusement park are closely monitored to determine whether the number of people in the amusement park ever poses a safety hazard.
On a certain day, the rate at which people enter amusement park is modeled by the function e(x)=0.03x3+2, where the rate is measured in hundreds of people per hour since the gates opened. The rate at which people leave the amusement park is modeled by the function l(x)=0.5x+1, where the rate is measured in hundreds of people per hour since the gates opened.
What does (e−l)(4) mean in this situation?
A) The rate at which the number of people in the park is changing 4 hours after the gates open is 692 people per hour.
B) There are 692 people in the amusement park 4 hours after the gates open.
C) There are 92 people in the amusement park 4 hours after the gates open.
D) The rate at which the number of people in the park is changing 4 hours after the gates open is 92 people per hour.
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