gracynhanime gracynhanime

21-11-2016
Mathematics

contestada

The first term in a sequence is x. Each subsequent term is three less than twice thw preceding term. what is the 5th term in the sequence?
A) 8x-21
B) 8x-15
C) 16x-39
D) 16x-45
E) 32x-93 ...?

Respuesta :

antonsandiego antonsandiego

21-11-2016

I've solved it by using this sequence:
x, 2x-3,
2(2x-3)-3,
2(2(2x-3)-3)-3,
2(2(2(2x-3)-3)-3)-3
So the answer is D) 16x-45.

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