which function defines the sequence -16,-22,-28,-34 where f(10)= -70

Question

which function defines the sequence -16,-22,-28,-34 where f(10)= -70

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Thành Công 4 years 2021-08-29T22:53:02+00:00 1 Answers 29 views 0

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  1. phucdien
    0
    2021-08-29T22:54:45+00:00
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    Answer:

    f(n) = -6n – 10.

    Step-by-step explanation:

    This is arithmetic sequence with first term a1 = -16 and common difference d = -6.

    So f(n) = a1 + d(n – 1)

    = -16 – 6(n – 1)

    = -16 – 6n + 6

    = -6n – 10.

    Checking:

    f(10) = -6(10) – 10 = -70.

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