Posted by **rob** on Saturday, March 10, 2012 at 1:50am.

I got a problem that states which graph represents the sequence of 1,2.5,4,5.5,7..

Should the graph start at 1,1 or 0,1?

- math quick question -
**drwls**, Saturday, March 10, 2012 at 3:56am
The sequence's nth term, An, is 1 + 1.5(n-1)

= 1.5n -0.5

If you are graphing An vs n, start at (1,1)

You get a straight line through that point with slope = 1.5

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