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.

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )