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31 May, 00:27

1.2, 3, 7.5, 18.75, ...

Which formula can be used to describe the sequence?

f (x) = 1.2 (2.5) x - 1

f (x) = 2.5 (1.2) x - 1

f (x) = 1.2 (2.5) x

f (x) = 2.5 (1.2) x

+3
Answers (2)
  1. 31 May, 00:38
    0
    Find the value of x and round that to the nearest degree
  2. 31 May, 00:54
    0
    I think it might be the second one (f (x) = 2.5 (1.2) x - 1).
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