SOLUTION: What kind of sequence is the graph of this equation… y=2 ^ x-1 (two to the power of x minus one)

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Question 927781: What kind of sequence is the graph of this equation…
y=2 ^ x-1 (two to the power of x minus one)

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
=> this is a geometric sequence

In general we can write a geometric sequence like this:
{a, ar, ar^2, ar^3, ... }
where:
is the first term, and
is the factor between the terms (called the "common ratio")
Note: should not be .
When , we get the sequence {a,0,0,...} which is geometric
And the rule is:

(We use "n-1" because ar^0 is the 1st term)
in your case => and




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