Transcript text: Workers at A La Mode Ice Cream Parlor hand churn batches of ice cream and put them in the freezer. The temperature of the ice cream $x$ hours after a batch is put into the freezer is given by the function $f(x)$. The temperature is measured in degrees Fahrenheit.
What does $f(6)=f(7)$ tell you?
The temperature of the ice cream after 6 hours is the same as after 7 hours.