document.write( "Question 694143: if f(x)= 4x-x^2 and g(x)= 1/x, then (fog)(1/2) is equal to
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Algebra.Com's Answer #427763 by jim_thompson5910(35256) $\"\"$ $\"About$

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g(x) = 1/x\r
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\n" ); document.write( "\n" ); document.write( "g(1/2) = 1/(1/2)\r
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\n" ); document.write( "\n" ); document.write( "g(1/2) = (1/1)*(2/1)\r
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\n" ); document.write( "\n" ); document.write( "g(1/2) = 2\r
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\n" ); document.write( "\n" ); document.write( "f(x) = 4x - x^2\r
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\n" ); document.write( "\n" ); document.write( "f(g(x)) = 4(g(x)) - (g(x))^2\r
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\n" ); document.write( "\n" ); document.write( "f(g(1/2)) = 4(g(1/2)) - (g(1/2))^2\r
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\n" ); document.write( "\n" ); document.write( "f(g(1/2)) = 4(2) - (2)^2\r
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\n" ); document.write( "\n" ); document.write( "f(g(1/2)) = 4(2) - 4\r
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\n" ); document.write( "\n" ); document.write( "f(g(1/2)) = 8 - 4\r
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\n" ); document.write( "\n" ); document.write( "f(g(1/2)) = 4\r
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\n" ); document.write( "\n" ); document.write( "(f o g)(1/2) = 4 \n" ); document.write( "

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