The accompanying graph shows the temperature in an oven during a self-cleaning cycle. Let T(x) be the temperature after x hours. Complete parts (a) through (c) below.
a. Find and interpret T'(0.5).
T'(0.5) =
(Round to the nearest integer as needed.)
Interpret T'(0.5). Choose the correct answer below.
A. After 0.5 units of time, the oven temperature is increasing at T'(0.5)° per hour.
B. After 0.5 units of time, the oven temperature is decreasing at T'(0.5)° per hour.
C. After 0.5 units of time, the oven temperature is T'(0.5)°.
b. Find and interpret T'(3).
T'(3) =
(Round to the nearest integer as needed.)