Apps D Pirate 365 Amazon.com: Online... Cornerstone My Cor...The Landing Choose

Question

Apps D Pirate 365 Amazon.com: Online... Cornerstone My Cor...The Landing Choose Company . QUESTION 15 15. The revenue from Koffee Kans, the hottest new college cafe, was 17.5 million doll 2011 and 19.1 million dollars in 2013. Assuming that the rate of change of reve constant, find a linear equation that models Koffee Kans' revenue y in year r, wh the number of years since 2010. Use this linear equation to predict Koffee Kans' in 2020. A. 23.9 million dollars B. 24.7 million dollars C. 20.5 million dollars D. 23.2 million dollars E. None of the above N 16

Explanation / Answer

we have two points ( 1 , 17.5 )

and ( 3 , 19.1 )

finding equation from these 2 points

slope m = 17.5 - 19.1 / 3-1

m = 0.8

y - 17.5 = 0.8 ( x - 1 )

so the equation is

y = 0.8x + 16.7

revenue in 2020 is

y = 0.8(10) + 16.7

y = 24.7

so its 24.7 million dollars in 2020

option b is correct

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