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The answer is 2x= 6x.
This is an example of direct variation!

Answer: B
Step-by-step explanation: When the number of observations is odd the formula is:
$ x_m = x_\frac{n+1}{2}$
When the number of observations is even the formula is:
$ x_m = \frac{x_\frac{n}{2}+x_\frac{n+2}{2}}{2}$
Danny's score at the end of the game is 30 because:
We started our with 10 points.
He loses 20 points, which brings him down to -10 points.
In the final round he earned 40 points. 40 minus the negative ten points gives us an answer of 30 points.
Answer:
b. 1; 16; 121; 13,456
Step-by-step explanation:
A suitable calculator or spreadsheet can compute these for you.
Put the value of x into the formula to find the first iterate. Repeat for successive iterates.
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<em>Comment on the answer choices</em>
You can eliminate the first two answer choices because none of the numbers 19, 645, 12645 are perfect squares. You can eliminate the last answer choice because the first term listed is x0, not x1.