Question

11. What are the first three terms of the sequence with the nth term an= n2 + 2?
A. 3, 6, 15
B. 3, 6, 10
C. 3,6,8
D. 3, 6, 11​

Answer 1

Substitute n=1,2,3 in the following sequence.

1^2+2=3

2^2+2=6

3^2+2=11

So option D. 3,6,11 is the correct answer.

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