SOLUTION: What is the domain and range of: y= absolute value of x

Question 90176: What is the domain and range of:
y= absolute value of x
Found 2 solutions by tutorcecilia, kev82:
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
The domain will be all of the possible (x) values: All Real Numbers
The range will be the resulting values for (y): y>= 0
Answer by kev82(151) (Show Source): You can put this solution on YOUR website!
Hi

Well, what does domain actually mean? Basically it's the list of numbers you can put into the function for it to work, can you think of any numbers you can't put into the absolute value function?

Range is similar, except it is the list of numbers you can get out of a function. You can't get every real number out of the absolute value function. For example, no matter what I put into it, I can never get -5 out.

Now I've said that, have a think about what numbers you can put in (the domain) and what numbers you can get out (the range). If you still can't get it, post back with your thoughts.

Kev
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