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

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