What is the average rate of change in temperature, in degrees Fahrenheit per hour, between 9:30 a.m. and 12:00 p.m.?

Answer:
B - 2.4 ctrl C this it have all the answer
Step-by-step explanation:
https://marinamath.weebly.com/uploads/1/0/5/6/105682907/functions_practice_test_key.pdf