SOLUTION: What are the domains and ranges of this function? Is it even a function at all? {{{y=12-x}}} Thank you for the help because I am really stuck on this problem.

Question 258971: What are the domains and ranges of this function?
Is it even a function at all?

Thank you for the help because I am really stuck on this problem.
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What are the domains and ranges of this function?
Is it even a function at all?
y = 12^(-x)
-----------------

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Domain: All Real Numbers
Range: All Real Numbers > 0
==============================
Cheers,
Stan H.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
I believe the other tutor misread the problem as instead of .
His would be
y=12-x is a line and is a one to one function
Domain and range are both all real numbers.

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