Posted by **noah** on Saturday, December 1, 2012 at 10:25pm.

What is the rule for this function?

Input 1 output 3

Input 2 output 5

Input 4 output 9

Input 5 output 11

Input 10 output 21

Input 12 output 25

Please help thanks

- math -
**Reiny**, Saturday, December 1, 2012 at 11:37pm
looks like

y = 2x + 1

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