Erica, the manager at Stellarbeans, collected data on the daily high temperature and revenue from coffee sales. Data from nine days this past fall are shown in the table below.
High Temperature, t
54
50
62
67
70
58
52
46
48
Coffee Sales, f(t)
$2900 $3080 $2500 $2380 $2200 $2700 S3000 $3620 $3720
State the linear regression function, f(t), that estimates the day's coffee sales with a high
temperature of t. Round all values to the nearest integer.