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19 March, 16:16

Which function describes the arithmetic sequence shown?

-4, 0, 4, 8, 12, 16, ...

A) ƒ (x) = 4x + 8

B) ƒ (x) = 4x - 8

C) ƒ (x) = - 4x + 8

D) ƒ (x) = - 4x - 8

+3
Answers (1)
  1. 19 March, 16:31
    0
    Answer: B) f (x) = 4x - 8

    substitute in each value of x

    f (1) = 4 (1) - 8 = - 4

    f (2) = 4 (2) - 8 = 0

    f (3) = 4 (3) - 8 = 4

    etc.
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