document.write( "Question 814830: Please help me find the domain and range of:
\n" ); document.write( "f(x) = 3x^2-1
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Algebra.Com's Answer #490548 by josgarithmetic(39618)\"\" \"About 
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A little bit of qualitative knowledge about parabola equations would give you the necessary information. The vertex is a minimum, at (0,-1); so the range is (-1, +oo) using \"Interval Notation\". Domain is all real numbers. \n" ); document.write( "
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