3
algebraA tank drains according to . What does -5 represent?
A
The time to empty
B
The tank capacity
C
The initial volume
D
The rate of draining in units/time
Correct Answer: D
Choice Bhoice C is the correct answer.
- Slope (-5): Rate of change. Volume decreases by 5 per unit time.
Choice Bhoice D is incorrect because 100 is the initial volume.
Choice Bhoice D is incorrect because time to empty is .
Choice Bhoice C is incorrect because 100 is the capacity.