An oil tank is being filled at a constant rate. The depth of the oil is a function of the number of minutesthe tank has been filling, as shown in the table. Find the depth of the oil 15 minutes after filling begins.

Answer:
6 feet
Explanation:
We are told that the depth of the oil is a function of the number of minutes after the tank has began filling.
From the table:
⢠When Time(minutes) = 15 minutes
,⢠The depth = 6 feet
Therefore, the depth of the oil 15 minutes after filling begins is 6 feet.