Just browsing Take your time. Researchers know, to the
Chapter 0, Problem 73(choose chapter or problem)
Just browsing? Take your time. Researchers know, to the dollar, the average amount the typical consumer spends at the shopping mall. And the longer you stay, the more you spend. Mall Browsing Time and Average Amount Spent Time at a Shopping Mall (hours) 3.5 $200 3 $149 2 $111 1 $73 0.5 $47 $240 $200 $160 $120 $80 $40 Average Amount Spent Source: International Council of Shopping Centers Research The data in the bar graph can be modeled by the functions f1x2 = 47x + 22 and g1x2 = 42.211.562x , where f1x2 and g1x2 model the average amount spent, in dollars, at a shopping mall after x hours. a. What is the slope of the linear model? What doesthis mean in terms of the average amount spent at ashopping mall?b. Which function, the linear or the exponential, is abetter model for the average amount spent after3.5 hours of browsing?
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