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.

Algebra ->  Functions -> 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.      Log On


   

Question 258971: 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.
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) About Me  (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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graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C12%5E%28-x%29%29
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Domain: All Real Numbers
Range: All Real Numbers > 0
==============================
Cheers,
Stan H.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
I believe the other tutor misread the problem as y=12%5E%28-x%29 instead of y=12-x.
His would be y=1%2F12%5Ex
y=12-x is a line and is a one to one function
Domain and range are both all real numbers.