Question 398274
Let {{{w}}} = the number of weeks he has walked
Let {{{D(w)}}} = the distance he walks
the function is:
{{{D(w) = 8 + 2w}}}
The points, (w,D(w)), are
(1,10)
(2,12)
(3,14)
etc.
So by week 8,
{{{D(8) = 8 + 2*8}}}
{{{D(8) = 24}}} miles