The National Weather Service keeps track of the temperature for a given day in a given city. It also keeps track of this information at certain times during a given day. The following temperatures were recorded on a January day in
New York City
Time of Day 10 AM 12 Noon 2 PM 4 PM 6 PM 8 PM 10 PM
Temperature (CF) 30 35 36
34 30 28
136
What is the average rate of change of temperature with respect to time over the evening hours from 6 PM to 10
PM? Interpret this value in a complete sentence.
a. 6°F degrees per hour, The temperature drops at an average rate of 6 degrees per hour from
6 PM to 10 PM
b. -6°F degrees per hour, The temperature drops at an average rate of 6 degrees per hour
from 6 PM to 10 PM
C. -1.5°F degrees per hour, The temperature drops at an average rate of 1.5 degrees per hour
from 6 PM to 10 PM
d. 1.507 degrees per hour. The temperature drops at an average rate of 1.5 degrees per hour
from 6 PM to 10 PM.