document.write( "Question 146614: The book gives an example of a function for X that substituts 1/2 for X in the expression....\r
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document.write( "f(1/2)=(1/2)^3 - 3(1/2)^2 + (1/2) + 5\r
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document.write( "=1/8 - 3(1/4) + 1/2 + 5\r
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document.write( "=1/8 - 3/4 + 1/2 +5\r
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document.write( "=1/8 - 6/8 +4/8 + 40/8\r
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document.write( "= 39/8\r
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document.write( "Now im sure this is just simple addition and subtraction with fractions, but I haven't worked with math in many years. \r
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document.write( "Can someone break down\r
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document.write( "f(X) = 2X^3 - X^2 + 3X - 2\r
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document.write( "with f(-1/2) substuting for X please, the more info the better. \n" );
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Algebra.Com's Answer #107059 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "To add and subtract fractions, you need to have a common denominator. \n" ); document.write( "Change all fraction to common denominator of 8. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |