Determine if the sequence is algebraic or geometric, and find the common difference or ratio.
x 1 2 3 4
f(x) 3 9 27 81
algebraic, common difference = 3
algebraic, common difference = 6
geometric, common ratio = 3
geometric, common ratio = 6
il
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Geometric

Common ratio=3

Step-by-step explanation:

3,9,27,81 is geometric because there is a common ratio.

We know there is a common ratio because a term divided by it's previous term is the same each time.

That is

81/27=3

27/9=3

9/3=3.

So the common ratio is 3.

here the number -5 is all of the following except a rational number.

step-by-step explanation:

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.