Posted by **alk** on Monday, August 4, 2008 at 3:06pm.

questions involving domain and range...

1. Find the domain of the function

f(x)=(3x+1)/(sqrt of (x^2+x-2))

andd.

2. Let f(x)= (absvalue(x))/x.

Show that f(x)={ 1, x > 0

{-1, x < 0

Find the domain and range of f(x).

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