algebra
posted by Lynda .
How do I find out if x1 is a function

3
and does x1 1 1
 =y =    =y
3 3x 3
oh sorry, it came all weird when i typed it out
can you just answer me this?
how do i find out if (x1)/3 is a function?
oh, and sorry, the name's wrong because I used my sister's account

algebra 
looser /:p
idk
\
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