document.write( "Question 1133183: Provided f(x) = √x+2 (under whole squareroot) and g(x) = x / x + 1\r
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Algebra.Com's Answer #750637 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "Provided \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29+=+sqrt%28x%2B2%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"g%28x%29+=+x+%2F+%28x+%2B+1+%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Find ( $\"f\"$ ◦ $\"g\"$ )( $\"3\"$ ) and ( $\"g\"$ ◦ $\"f\"$ )( $\"3\"$ ). \r
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\n" ); document.write( "\n" ); document.write( "first find\r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"f%28g%28x%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"f%28x+%2F+%28x+%2B+1+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"sqrt%28x+%2F+%28x+%2B+1+%29%2B2%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"sqrt%28x+%2F+%28x+%2B+1+%29%2B2%28x+%2B+1+%29%2F%28x+%2B+1+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"sqrt%28%28x+%2B2%28x+%2B+1+%29%29%2F%28x+%2B+1+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"sqrt%28%28x+%2B2x+%2B+2+%29%29%2F%28x+%2B+1+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"x\"$ ) = $\"sqrt%28%283x+%2B+2+%29%29%2F%28x+%2B+1+%29%29\"$ \r
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\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"3\"$ ) = $\"sqrt%28%283%2A3+%2B+2+%29%2F%283+%2B+1+%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"3\"$ ) = $\"sqrt%2811%2F4%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"3\"$ ) = $\"sqrt%2811%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ ◦ $\"g\"$ )( $\"3\"$ ) = $\"1.658\"$ \r
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\n" ); document.write( "\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"x\"$ ) = $\"g%28f%28x%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"x\"$ ) = $\"g%28sqrt%28x%2B2%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"x\"$ ) = $\"sqrt%28x%2B2%29+%2F+%28sqrt%28x%2B2%29+%2B+1+%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "=>
\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"3\"$ ) = $\"sqrt%283%2B2%29+%2F+%28sqrt%283%2B2%29+%2B+1+%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"3\"$ ) = $\"sqrt%285%29+%2F+%28sqrt%285%29+%2B+1+%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ ◦ $\"f\"$ )( $\"3\"$ ) = $\"0.69\"$ \r
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