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F(n) = -3(n - 1); -51

1 Answer

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Answer: n=18

Explanation:

f(n) = -3(n - 1); -51

-51=-3(n - 1)

-51/(-3)=-3(n - 1)/(-3)

n-1=17

n+1-1=17+1

n=17+1

n=18

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