Posted by **Tifini** on Friday, April 26, 2013 at 10:48am.

Which of the following graphs of exponential functions corresponds to a geometric sequence with a 1st term of 6 and a ratio of 1/2?

I'm honestly so confused on this. :(

- Algebra -
**Steve**, Friday, April 26, 2013 at 11:03am
the terms of the sequence are

6 3 1.5 .75 ,...

So, the graph comes down from the upper left, passes through (0,6) and tails off to the right with horizontal asymptote y = 12

I assume one of the displayed graphs looks like that.

If it's not clear how I came up with those numbers, spend a little time reviewing geometric series.

- Algebra -
**Steve**, Saturday, April 27, 2013 at 5:27am
sorry. the asymptote is y=0

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