Answer:
13 degrees Fahrenheit.
Step-by-step explanation:
The temperature started at -1 then raises to 12.
So, it goes -1,0,1,2,3,4,5,6,7,8,9,10,11,12, so it increases by 13 degrees Fahrenheit.
13 degrees warmer
substitute 3 as in x:
4(3)-9
= 12-9
= 3
Hope this helped - have a nice day & be safe
