document.write( "Question 1154118: Find [𝑓 ∘ 𝑔](𝑥) 𝑎𝑛𝑑 [𝑔 ∘ 𝑓](𝑥), if they exist
\n" ); document.write( " 𝑓(𝑥) = 2𝑥 + 7; 𝑔(𝑥) = −5𝑥 − 1
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Algebra.Com's Answer #776480 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
Find
\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ )
\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) \r
\n" ); document.write( "\n" ); document.write( " if they exist\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29+=+2x+%2B+7\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"g%28x%29+=+-5x-1\"$ \r
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\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ ) = $\"f%28g%28x%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ ) = $\"f%28-5x-1%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ ) = $\"2%28-5x-1%29%2B7\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ ) = $\"-10x-2%2B7\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ )( $\"x\"$ ) = $\"-10x%2B5\"$ \r
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\n" ); document.write( "\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) = $\"g%28f%28x%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) = $\"g%282x+%2B+7%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) = $\"-5%282x+%2B+7%29-1\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) = $\"-10x+-35-1\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"g\"$ o $\"f\"$ )( $\"x\"$ ) = $\"-10x+-36\"$ \r
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