9514 1404 393
Answer:
-2, 1, 4, 7
Explanation:
Start with n=1. Put the value where n is in the expression and do the arithmetic.
a1 = 3·1 -5 = -2
a2 = 3·2 -5 = 1
a3 = 3·3 -5 = 4
a4 = 3·4 -5 = 7
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You may notice that each term is 3 more than the previous one.