Posted by **noah** on Saturday, December 1, 2012 at 9:02pm.

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 now thanks

- 7 th grade math -
**Alexius**, Saturday, December 1, 2012 at 9:07pm
It is like adding

- 7 th grade math -
**PsyDAG**, Sunday, December 2, 2012 at 12:08pm
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

- 7 th grade math -
**michael **, Thursday, February 21, 2013 at 8:32pm
+9 then-7

- 7 th grade math -
**Anonymous**, Wednesday, May 22, 2013 at 10:09pm
y (output)

x(input)

y=2x+1

- 7 th grade math -
**efw**, Thursday, April 17, 2014 at 6:24pm
EWT

- 7 th grade math -
**mary **, Tuesday, August 26, 2014 at 9:04pm
A phone call cost $3 minute

Imput (x) rule output(y)

1

5

10

20

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