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16 January, 18:48

Which exponential function describes the given sequence?

3, 9, 27, 81 ...

A) y = ( - 1 3) x

B) y = 1 3 x

C) y = (-3) x

D) y = 3x

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Answers (2)
  1. 16 January, 21:18
    0
    Since the number are multiple exponents of 3 (3^1, 3^2, 3^3, 3^4 ...), then we could write it as:

    D) y = 3^x
  2. 16 January, 21:46
    0
    D) y = 3^x

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