document.write( "Question 31709: 2 – 3[-4 + 6] ÷ (-2)\r
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document.write( "and \r
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document.write( "For f(x) = x3 + 2x2 – 5x + 8, find f(-1).\r
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document.write( "It has been YEARS since I've done algebra. Can you pleaseh help with these two questions. Thank you! \n" );
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Algebra.Com's Answer #18326 by mukhopadhyay(490)![]() ![]() ![]() You can put this solution on YOUR website! 2 – 3[-4 + 6] ÷ (-2) \n" ); document.write( "= 2-3(2) ÷ (-2) \n" ); document.write( "= 2-6/(-2) \n" ); document.write( "= 2+3 \n" ); document.write( "= 5 \n" ); document.write( ".... \n" ); document.write( "f(x) = x3 + 2x2 – 5x + 8 \n" ); document.write( "f(-1) = (-1)^3 + 2(-1)^2 - 5(-1) + 8 \n" ); document.write( "=> f(-1) = -1 + 2 + 5 + 8 \n" ); document.write( "=> f(-1) = 14 \n" ); document.write( " |