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64,-48, 36, -27
Which formula can be used to describe the
Sequence?
O f(x + 1) = 3/4f(x)
o f(x + 1) = -3/4f(x)
O f(x) = f(x + 1)
O f(x) = -f(x + 1)
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altavistard

Answer:

Step-by-step explanation:

The first term of the given sequence is a(1) = 64.  Each succeeding term is found by multiplying the present one by (-3/4), and so (-3/4) is the common ratio.  Then the geometric sequence represented here is

a(n) = a(1)*(-3/4)^(n - 1), or, specifically,

a(n) = 64*(-3/4)^(n - 1)

Alternatively:  a(n) = a(n - 1)*(-3/4). or a(n) = (-3/4)a(n - 1)

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