Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches
B. 7 inches
C. 37 inches
D. 15 inches
Answer: B
Mathematics
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A. 
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