SOLUTION: During the nonth of february, the depth d, of snow in inches at the base of one ski resort could be approximated by adding 7 to twice the number of days, t, since January 31st.

Question 561105: During the nonth of february, the depth d, of snow in inches at the base of one ski resort could be approximated by adding 7 to twice the number of days, t, since January 31st.
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Jan 31 is the last day in Jan. So the numbers of days into February is just the Date of the month in February.
For instance, Feb 1 is one day's worth of snow since only one day has past since 31 Jan.
Feb 7 is 7 days worth of snow.
You are told the depth d, of snow in inches at the base of one ski resort could be approximated by adding 7 to twice the number of days, t, since January 31st.
Let d be the DepthOfSnow
Let t be DateOfMonthInFeb
So deoth of snow can be modeled as

Here is a graph of the snow depth

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