2. Emily sells greeting cards. The graph models the linear relationship between the number of boxes of cards she sells and her profit.
Selling Cards
$4.00 per
y
50
$10.00 per
40
Profit (dollars)
30
20
$7.50 per
10
X
$3.00 per
0
1 2 3 4 5 6
Number of Boxes
CLEAR ALL
Which of these best describes the profit Emily makes from selling these cards?