Mathematics

Reid Spears

30 April, 11:42

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