SOLUTION: Find a formula for the nth term of the arithmetic sequence: 32, 36, 40, 44, ...

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Question 240696: Find a formula for the nth term of the arithmetic sequence: 32, 36, 40, 44, ...
Answer by nyc_function(2741) About Me  (Show Source):
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We use the formula:
a_n = a_1 + (n - 1)d
We need to find two things: the first term or a_1 and the common difference or d.
The first term is 32 and d = 4.
I found d by subtracting one term from another.
a_n = nth term
a_n = 32 + (n - 1)4
a_n = 32 + 4n - 4
a_n = 4n + 28