• anonymous
you research the average cost of a movie ticket over several years to look for trends. the table shows your data. what is the equation of a line of best fit? approximately how much would you expect to pay for a movie ticket in 2021 year price 1980, $4.00 1984 $ 4.50 1988 $5.25 1992 $5.50 1996 $7.00 2000 $7.75 2004 $8.25 2008 $8.75 2012 $9.00 possible answers A. y=0.17x+4;$11 B. 4x;$164 C. 5.7x+4;$238 D. y=0.67x-4;$23
  • Stacey Warren - Expert
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  • schrodinger
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  • anonymous
I think the best way to answer this question is to just think about it logically. The biggest giveaway is the initial starting price (1980). Only the equations that have a Y-intercept of 4 would be accurate. If you consider that in 32 years the growth has been 5 dollars, you can average the growth per year as 5/32. Since there are 9 more years til 2021 from 2012 you can estimate the growth of those 9 years. Add it to your 2012 cost of $9.00. And you're close to 11. For multiple choice questions in math, always use the given answers to guide your reasoning and approach to the problem.

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