You Are in a Nicely Heated Cabin in the Winter $\text { Increasing }$

Multiple Choice

You are in a nicely heated cabin in the winter.Deciding that it's too warm, you open a small window.Let T be the temperature in the room, t minutes after the window was opened, x feet from the window.Is T an increasing or decreasing function of x?

A) $\text { Increasing }$
B) $\text { Decreasing }$
C) Neither