##### algebra homework for work at home

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A geometric sequence is defined recursively by an = 15an-1. The first term of the sequence is 0.0001. Which of the following is the explicit formula for the nth term of the sequence?

Jun 11th, 2015

an = 15an-1.

So r =15 ; First term, a = .0001

Explicit formula =ar^(n-1)

= .0001 (15)^(n-1)

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Jun 11th, 2015

Which of the following recursive formulas represents the same geometric sequence as the formula an = 4 • 4n - 1?

 [img name="c1" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> A. an = 16 + an - 1
 [img name="c2" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> B. an = 16 • an - 1
 [img name="c3" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> C. an = 4 • an - 1
 [img name="c0" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> D. an = 4 + an - 1

Jun 11th, 2015

Please post this as a separate question?

Jun 11th, 2015

Which of the following recursive formulas represents the same geometric sequence as the formula an = 4 • 4n - 1?

 [img name="c1" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> A. an = 16 + an - 1
 [img name="c2" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> B. an = 16 • an - 1
 [img name="c3" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> C. an = 4 • an - 1
 [img name="c0" src="http://media.apexlearning.com/AceWeb/images/ole_images/rnrm.gif" height="14" width="14" border="0" hspace="1" vspace="1"> D. an = 4 + an - 1

Jun 11th, 2015

Please post this as a separate question

Jun 11th, 2015

i can't

Jun 11th, 2015

help me please someone

Jun 11th, 2015

option c...........

Jun 11th, 2015

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Jun 11th, 2015
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Jun 11th, 2015
Oct 19th, 2017
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