What is the tenth term in the sequence defined by $a (n) = 3 + 2 (n - 1)$ $a(n)=3+2(n-1)$ ?

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Answer 1 · 2016-12-07T22:27:37

a(10) = 3 + 2(9) = 21

This is called an explicit formula. That means that we can find any term by substituting in the term number for "n".

a(10) = 3 + 2(10-1) or 3 + 2(9) = 3 + 18 = 21

What is the tenth term in the sequence defined by a(n)=3+2(n−1)a(n)=3+2(n-1)?