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

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


   

Question 499368: Input. | 0 | 1 | 2 | 3 | 4 |
Output. |-1 | 3 | 7 | 11| 13
Write a rule for the function
Answer by chessace(471) About Me  (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.