document.write( "Question 805649: f(x)=x^4-3x^3+17x^2+7x-22,[-1,0].Find the turning points using a graphing calculator. \n" ); document.write( "
Algebra.Com's Answer #485402 by AnlytcPhil(1806)\"\" \"About 
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f(x)=x^4-3x^3+17x^2+7x-22,[-1,0].Find the turning points using a graphing calculator.
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document.write( "Get a TI-84\r\n" );
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document.write( "Press ON\r\n" );
document.write( "Press CLEAR\r\n" );
document.write( "Press WINDOW\r\n" );
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document.write( "Change the numbers so that they read:\r\n" );
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document.write( "    WINDOW\r\n" );
document.write( "     Xmin=-3\r\n" );
document.write( "     Xmax=3\r\n" );
document.write( "     Xscl=1\r\n" );
document.write( "     Ymin=-35\r\n" );
document.write( "     Ymax=35\r\n" );
document.write( "     Yscl=10\r\n" );
document.write( "     Xres=1\r\n" );
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document.write( "Press Y=    (Use CLEAR to eliminate anything in there)\r\n" );
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document.write( "After \Y1=  type this\r\n" );
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document.write( "            X^4-3X^3+17X^2+7X-22\r\n" );
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document.write( "Press GRAPH\r\n" );
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document.write( "You should see a graph like this but it won't have those numbers:\r\n" );
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document.write( "\"graph%28400%2C300%2C-3%2C3%2C-35%2C35%2Cx%5E4-3x%5E3%2B17x%5E2%2B7x-22%29\" \r\n" );
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document.write( "Press 2ND\r\n" );
document.write( "Press CALC\r\n" );
document.write( "Press 4\r\n" );
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document.write( "At the bottom of the screen you see \r\n" );
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document.write( "     Left Bound?\r\n" );
document.write( "     X=0            Y=-22\r\n" );
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document.write( "Press < (the left arrow) 10 times\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "At the bottom of the screen you see \r\n" );
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document.write( "     Right Bound?\r\n" );
document.write( "     X=-.6382979  Y=-18.59571\r\n" );
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document.write( "Press > (the right arrow) 15 times\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "At the bottom of the screen you read\r\n" );
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document.write( "Minimum\r\n" );
document.write( "X=.31914894   Y=-18.12155\r\n" );
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document.write( "The turning point is (.31914894, -18.12155)\r\n" );
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document.write( "Edwin
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