SOLUTION: Input. | 0 | 1 | 2 | 3 | 4 | Output. |-1 | 3 | 7 | 11| 13 Write a rule for the function

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Question 499368: Input. | 0 | 1 | 2 | 3 | 4 |
Output. |-1 | 3 | 7 | 11| 13
Write a rule for the function

Answer by chessace(471)   (Show Source): You can put this solution on YOUR website!
Output differences are all 4 until the end (typo??).
So f(x) = 4*x -1 works most of the time.
There is no easy way to get f(4)=13, it would have to be "for x<4 ... for x>3 ..." kind of deal.

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