Write down the 3rd term in the sequence given by: T(n) = n2 + 4 please help me this question is really hard

asked Nov 16, 2018 30.4k views

5 votes

Write down the 3rd term in the sequence given by: T(n) = n2 + 4

please help me this question is really hard

by Dolla

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We want the 3rd term so we plug in 3 into the formula.

T(3) = 3^2 + 4
T(3) = 9 + 4
T(3) = 13

So, the 3rd term is 13.

Cosmin Stoian answered Nov 17, 2018

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6 votes

If n2 is n^2, then simply plug in 3 as n. After all, you are looking for the 3rd term. 3^2+4 would be 13.

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