SOLUTION: A man starts walking for the first week and walks 10 miles.  Every week he increases by 2 miles. How many miles does he walk by the eigth week?  I don't know how to set up the func
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Question 398274:  A man starts walking for the first week and walks 10 miles.  Every week he increases by 2 miles. How many miles does he walk by the eigth week?  I don't know how to set up the function?  I can get the answer but don't know how to set up the function? 
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
 Let  = the number of weeks he has walked
Let  = the distance he walks
the function is:
The points, (w,D(w)), are
(1,10)
(2,12)
(3,14)
etc.
So by week 8,
 miles 
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