Answer:
4° C per hour
Step-by-step explanation:
16/4 will give us the temperature change every hour
4¹ = 4
4² = 16
4³ = 64
4⁴ = 256
(4⁵ = 1,024 too big)
One such polynomial might be

Another with the same roots would be
A. <
c. <
d. >
e. >
the rest I can't see sorry