SOLUTION: Amelia is starting a new exercise routine. on the first day, she will do 8 sit ups. On the second day, she will do 12 situps. On the third day, she will do 16 sit ups. on the fourt

Question 1000168: Amelia is starting a new exercise routine. on the first day, she will do 8 sit ups. On the second day, she will do 12 situps. On the third day, she will do 16 sit ups. on the fourth day, she will do 20 sit ups . Write an explicit formula for the sequence of the number of situps she will do.

Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Since she adds four each day,
a(n) = 4n + 4 = 4(n+1)
where n is the day number and a(n) is the number of reps she does.
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