document.write( "Question 213119: what is the domain of the function f(x) = (x squared - 1 )(-1) (the neg 1 is a power) \n" ); document.write( "

Algebra.Com's Answer #161008 by jonvaliente(64) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28X%5E2-1%29%5E%28-1%29\"$ can also be expressed as:
\n" ); document.write( " $\"1%2F%28X%5E2-1%29\"$
\n" ); document.write( "The only time that this function is undefined is when the denominor is 0, so:
\n" ); document.write( " $\"X%5E2-1=0\"$
\n" ); document.write( " $\"%28X%2B1%29%28X-1%29=0\"$
\n" ); document.write( "(X+1)=0 or (X-1)=0
\n" ); document.write( "X=-1 or X=1
\n" ); document.write( "So the domain of the function(x) is all real numbers x, where x is NOT 1 or -1. \n" ); document.write( "

\n" );