Supply
11. The Coletti Company produces paper cups. They have developed a new type of insulated
cup that is biodegradable and doesn't allow the cup to get too hot to hold. They want to
use the demand function to help them set a price. They survey dozens of retailers to get an
approximation of how many cups would be demanded at each price.
$5 $5.50 $6 $6.50
$7.50 $8
Wholesale Price,
p (pack of 50)
$7
$8.50
$9
b. Give the slope of the regression line and give an interpretation of its units.
$9.50
Quantity, q
(1,000s)
5,100 4,900
4,600
4,200 3,700 2,400 2,100
700
1,600
a. Find the equation of the linear regression line. Round to the nearest thousandth.
200