document.write( "Question 971508: give the domain and range of the following quadratic
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document.write( "Y=3x2+ 2x -3
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Algebra.Com's Answer #593952 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! give the domain and range of the following quadratic \n" ); document.write( "function: \n" ); document.write( "Y=3x2+ 2x -3 \n" ); document.write( "------------- \n" ); document.write( "Domain:: All Real Numbers \n" ); document.write( "------- \n" ); document.write( "Range ? \n" ); document.write( "Vertex occurs at x = -b/(2a) = -2/(6) = -1/3 \n" ); document.write( "and f(-1/3) = 3(1/9)-(2/3)- 3 = -2/3 \n" ); document.write( "------------------------ \n" ); document.write( "Since the parabola opens \"up\", \n" ); document.write( "Range is \"All Real Numbers >= -1/3 \n" ); document.write( "----------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |