Volume of air (in mL)
2500
2000
1500
1000
500
y
0
1
2
3
(3.25, 2600)
(6.75, 1300)
4
5
6
7
8
Time (in seconds)
9
10
(10.25, 2600)
(13.75, 1300)
11
12 13 14
Write an equation in terms of y,
volume of air in a person's lungs
in mL, and t, time in seconds, to
represent the given context.
Can you give me the period