math

[BrownieDDD]

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if f is a fxn that satisfies f (x+ y) = f (x) + f👍 for all real numbers x and y, what must be of f (0)?

f (0) =1
f(0) = 0
Either f(0)=1 or f(0)=0
insufficient information to draw conclusion

 

[Kahr]

if f is a fxn that satisfies f (x+ y) = f (x) + f👍 for all real numbers x and y, what must be of f (0)?

f (0) =1
f(0) = 0
Either f(0)=1 or f(0)=0
insufficient information to draw conclusion

This was asked here at yahoo answers:

http://answers.yahoo.com/question/index?qid=20080817191536AAUDPrn