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domain and range of the function modx-1

Asked by jyotsna 15th September 2012, 12:42 PM
Answered by Expert

Let f(x) = |x - 1|

f(x) is defined for any real number.

So, domain of f is R.


For x being a real number, |x - 1| is greater than or equal to zero.

Or it can be said that |x - 1| is a real number excluding negative real numbers.

So, range of f is R - R- , where R- is the set of negative real numbers.

Answered by Expert 15th September 2012, 5:07 PM
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