document.write( "Question 1011565: find domain and range of function. f(x)=√x^2-4 \n" ); document.write( "
Algebra.Com's Answer #627261 by iran math(2)\"\" \"About 
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domain is from (-¤,-2]and[2,-¤)
\n" ); document.write( "range is f(x)=y , y >-4 , y=-4
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