document.write( "Question 988857: what is the domain and range of f(x)=1+x^2 restricted to x<0?? \n" ); document.write( "

Algebra.Com's Answer #609427 by josgarithmetic(39618) $\"\"$ $\"About$

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Parabola with a vertex minimum, but the range never reaches this vertex (because $\"x%3C0\"$ ). Without the restriction, $\"f%280%29=1%2B0%5E2=1\"$ ; but with the restriction, range for f(x) is $\"highlight%28y%3E1%29\"$ . \n" ); document.write( "

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