Answer:
-16
Explanation:
You have given the nth term: It is equal to the previous term, less 7.
Thus, b(1) = -2 (given)
b(2) = b(1) - 7, or b(2) = -2 - 7, or b(2) = -9
Then b(3) = b(2) - 7, or b(3) = -9 - 7 = -16
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