SOLUTION: For y= -3 + 3, is this a function? If so, find its domain and range. If not, give your reason Could someone please explain how to solve this problem? Thank you.

Question 1144960: For y= -3 + 3, is this a function? If so, find its domain and range. If not, give your reason
Could someone please explain how to solve this problem? Thank you.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.


In order to judge, is the given mathematical object a function or not, you should have a DEFINITION of this object as a function.


This definition might be DIRECT and EXPLICIT, or clear from a context.


An equation is NOT a definition of a function.  
Even an expression is not a definition of a function, although at some context it might be. 


In the given post, there is NO definition of the function "y", NEITHER explicit NOR from the context.


Therefore, there is no a base to discuss the subject.

Mathematics is not playing words.

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