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Mathematics 9 Online
OpenStudy (anonymous):

The sequence an = 1(3)n − 1 is graphed below:

OpenStudy (anonymous):

OpenStudy (anonymous):

Find the average rate of change between n = 1 and n = 3.

OpenStudy (anonymous):

@Hero

OpenStudy (anonymous):

@phi

OpenStudy (anonymous):

@.Sam.

OpenStudy (phi):

find change in y divided by change in x

OpenStudy (anonymous):

4?

OpenStudy (phi):

it looks like it. change in y is 9-1 =8 change in x is 3-1=2 8/2=4

OpenStudy (anonymous):

So my answer is 4 then?

OpenStudy (phi):

yes

OpenStudy (anonymous):

Sweet! Thank you! Can I ask you 2 more? They both are the same type of question and I'm having a really hard time wrapping my head around it.

OpenStudy (anonymous):

@phi

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