每日一题

Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

The temperature T in degrees Celsius of a chilled drink after the drink has been sitting on a table for m minutes is represented by the function below.

T(m)=32-28*3^(-0.05m)

What is the best interpretation of the number 32 in this context?

A.The drink is originally 32 degrees Celsius.
B.Every 32 minutes, the temperature warms by 3 degrees Celsius.
C.After 32 minutes, the drink will fully warm to the ambient temperature.
D.After the drink has been sitting for a very long time, the temperature of the drink will approach 32 degrees Celsius.

答案和解析

答案：D

解析：

Choice D is correct.