Alex builds birdhouses and sells them in his front yard. The graph shows the cost/profit vs. the number of birdhouses sold.
3
How much does Alex charge for one birdhouse?
Cost/Profit
2
30
14 250 20 22 24 26 20
Number of Birdhouses Sold
-30
40
50
50
$2.00
$5.00
$7.00
$10.00