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There are many possible answers. But given 5 points, an answer that can be guaranteed is that it is a polynomial of degree 4 (a quartic).

In this case, Un = (-13n4 + 166n3 - 719n2 + 1310n - 720)/24

There are many possible answers. But given 5 points, an answer that can be guaranteed is that it is a polynomial of degree 4 (a quartic).

In this case, Un = (-13n4 + 166n3 - 719n2 + 1310n - 720)/24

There are many possible answers. But given 5 points, an answer that can be guaranteed is that it is a polynomial of degree 4 (a quartic).

In this case, Un = (-13n4 + 166n3 - 719n2 + 1310n - 720)/24

There are many possible answers. But given 5 points, an answer that can be guaranteed is that it is a polynomial of degree 4 (a quartic).

In this case, Un = (-13n4 + 166n3 - 719n2 + 1310n - 720)/24

Q: What kind of sequence is the pattern 1 6 7 13 20?

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Willies

3, -6, 12, 4, 20, 13, 27, 21, 33 -9, +18, -8, +16, -7, +14, -6, +12

37. In the sequence 2, 7, 13, 20, 28... each number in the pattern increases 1 more than that previous incrament, starting with 5 from 2 to 7.2 7 13 20 28 37 47 58 70 83 97...

13

22

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The pattern of odd numbers

The pattern is plus 7. So the next number used to be 1.

To find the 21st term of the sequence, we need to first identify the pattern. From 6 to 13, there's an increase of 7, and from 13 to 20, there's also an increase of 7. It seems like there's a constant increase of 7 between consecutive terms. So, if we continue this pattern, the 21st term would be 20 + 7, which equals 27.

20

Willies

yes it is

The pattern appears to be: subtract 6, add 17, subtract 14, add 9, subtract 7. Following this pattern, the next number should be obtained by adding 3 to the last number in the sequence, which is 6. Therefore, the next number in the sequence is 9.

3, -6, 12, 4, 20, 13, 27, 21, 33 -9, +18, -8, +16, -7, +14, -6, +12

37. In the sequence 2, 7, 13, 20, 28... each number in the pattern increases 1 more than that previous incrament, starting with 5 from 2 to 7.2 7 13 20 28 37 47 58 70 83 97...

Seven is added each time. 6 + 7 = 13 13 + 7 = 20 And so on...

13

It's, 7n+6