Answer:
1.) Time in minutes
2.) Distance in feet.
Step-by-step explanation:
What is the independent quantity?
Independent quantity are the domain. In this question since the rate is 400 feet per minute, this can be refer to slope.
The independent quantity is therefore the time in minutes.
What is the dependent quantity?
Dependent quantity depends on independent quantity. Since time is the independent quantity, distance in feet will be the dependent quantity.