document.write( "Question 103077: For the given functions f and g, find the requested function and state its domain.\r
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document.write( "f(x) = 16 - x2; g(x) = 4 - x
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document.write( "Find f + g.\r
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document.write( "Thank you for your help. \n" );
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Algebra.Com's Answer #74955 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! f(x) = 16 - x2; g(x) = 4 - x \n" ); document.write( "Find f + g. \n" ); document.write( "f+g = 16-x^2+4-x \n" ); document.write( "= -x^2-x+20 \n" ); document.write( "---------------------- \n" ); document.write( "The graph would be a parabola opening downward with \n" ); document.write( "vertex at x = -b/2a = -(-1/-2)= -1/2\r \n" ); document.write( "\n" ); document.write( "Then f(-1/2) = -(-1/2)^2-(-1/2)+ 20 = -1/4+1/2+20 = 20 1/4 \n" ); document.write( "-------------- \n" ); document.write( "Domain is All Real Numbers \n" ); document.write( "Range is All Real Numbers <= 20 1/4 \n" ); document.write( "=================================== \n" ); document.write( "Graph: \n" ); document.write( " \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |