Answer:
a^n = 36 + (n-1) * 3
Explanation:
Explicit formula for arithmetic sequences: a^n = a^1 + (n-1) * d
In this case, a^1 = 36 and common difference/d = 3
So...
a^n = 36 + (n-1) * 3 is the explicit formula for this sequence.
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