Answer:
it would be the second opition
Step-by-step explanation:
Answer: 
Step-by-step explanation:
A quadratic function is as following; 
Notice that it cannot be 
because if you solve; 
which eliminates the 
.
Answer:
12 °F
2°F per hour
Step-by-step explanation:
The difference can be found by substracting:
7°F-( -5 °F)
=12 °F
To find the average change in temperature per hour, divide by how many hours between 6 to midnight. Between 6 to midnight is 6 hours.
12°F / 6 hours
= 2°F/ hour
