The number of gallons of water in a tank varies with respect to time

Question

Select as few quadrants as possible that'd allow you to create a graph of the number of gallons of water in the tank as a function of time

a) quadrant 1

b) quadrant 2

c) quadrant 3

d) quadrant 4 

Answer 1

The number of gallons of water in the tank is ≥ 0 (y value)

Time ≥ 0 (x value)

Quadrant I corresponds to x ≥ 0 and y ≥ 0.