aaronickacotton
Answered

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1. Mandy kept track of the trade-in value of a collector’s coin for several months through February of this year. She determined the line of best fit for the data was y = 4x + 12, where y is the trade-in value, in dollars, x months after February of this year. According to the equation, when will the trade-in value of the coin be $44? 

a) December of the same year 
b) October of the same year 
c) April of the following year 
d) June of the following year 

Sagot :

AL2006
44 = 4x + 12 32 = 4x X = 8 months after February = October of the same year. That's choice (b).
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