document.write( "Question 699332: Evaluate the function at the given value of the independent variable and simplify.\r
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document.write( "f(x)= x^2-1;f(x-2)\r
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document.write( "and \r
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document.write( "f(x)= 4x^2+5x-6;f(x-1)\r
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document.write( "and\r
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document.write( "f(x)= x^2-6/x^3-7x;f(5)\r
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Algebra.Com's Answer #431322 by stanbon(75887) ![]() You can put this solution on YOUR website! Evaluate the function at the given value of the independent variable and simplify. \n" ); document.write( "f(x)= x^2-1;f(x-2) \n" ); document.write( "f(x-2) = (x-2)^2-1 = x^2-4x+4-1 = x^2-4x+3 \n" ); document.write( "------------------------------------------------ \n" ); document.write( "and \n" ); document.write( "f(x)= 4x^2+5x-6;f(x-1) \n" ); document.write( "f(x-1) = 4(x-1)^2 + 5(x-1) -6 \n" ); document.write( "= 4(x^2-2x+1) + 5x-5 -6 \n" ); document.write( "= 4x^2 - 8x+5x +4-5-6 \n" ); document.write( "= 4x^2 -3x -7 \n" ); document.write( "-------------------------------------- \n" ); document.write( "and \n" ); document.write( "f(x)= x^2-6/x^3-7x;f(5) \n" ); document.write( "f(5) = (25-6)/(125-35) \n" ); document.write( "f(5) = 19/90 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |