what are the first 4 terms in the sequence defined by the explicit rule f(n)=n²+2? a 1 2 3 4 b 3 6 11 18 c 4 6 8 10

Question

what are the first 4 terms in the sequence defined by the explicit rule f(n)=n²+2?

a 1 2 3 4
b 3 6 11 18
c 4 6 8 10
d 9 16 25 36​

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Vân Khánh 2 months 2021-07-19T13:50:13+00:00 1 Answers 1 views 0

Answers ( )

    0
    2021-07-19T13:52:02+00:00

    Answer:

    b

    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )