Here is a graph that shows the price of blueberries at two different stores. 40 30 44.5, 2가- 20 (3, 18) (4,5, 18) (2, 12) (3, 12) 10 (1, 6) (1,4) 3 weight in pounds a.) Which store has the better price? Store b.) What is the constant of proportionality for each store? Store A: Store B: cost in dollars

8 :>

rials eo uations ow....zip Process . @ 2 D W Yaster Outfitters manufactures and sells extreme-cold sleeping bags. The table below shows the price-demand and total cost data, where: D • p is the wholesale price (in dollars) of a sleeping bag for a weekly demand of a sleeping bags; . C is the total cost (in dollars) of producing a sleeping bags. x (sleeping bags) p ($) 95 240 235 155 50 120 180 220 Use this data to create regression models to answer all of the questions below. #3 Price Model Find a quadratic regression equation for the price-demand data, using a as the independent variable. E p=a+bx+cr² Round a to the nearest integer, round b to 2 decimal places, and round c to 4 decimal places. Use this price model to answer question 1-2 below. $ 4 5 6 MacBook Pro C ($) 13,000 14,300 18,500 21,000 Y PEAR & * 8 ( 9 0 0 P A

6. The number of hours worked last week and the pay of 4 employees at a hardware store are given in this table. Hours Worked Amount Paid (y) $360 (x) 00 02 30 24 $288 40 $480 00.010 20 $240 What does the constant of proportionality represent? 00:12 A The average paycheck is $342. B. The employees are paid $12 per hour. C. The average number of hours worked is 28.5. 0024 D. The employees are required to work at least 20 hours per week.