document.write( "Question 1188355: f(x)=3x, g(x)=x-5 in (fog)(2) \n" ); document.write( "

Algebra.Com's Answer #819422 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=3x\"$ , $\"g%28x%29=x-5+\"$ \r
\n" ); document.write( "\n" ); document.write( " ( $\"f\"$ o $\"g\"$ ) $\"%282%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "first find ( $\"f\"$ o $\"g\"$ ) $\"%28x%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ ) $\"%28x%29\"$ = $\"f%28g%28x%29%29\"$
\n" ); document.write( "( $\"f\"$ o $\"g\"$ ) $\"%28x%29\"$ = $\"f%28x-5+%29\"$
\n" ); document.write( "( $\"f\"$ o $\"g\"$ ) $\"%28x%29\"$ = $\"3%28x-5+%29\"$
\n" ); document.write( "( $\"f\"$ o $\"g\"$ ) $\"%28x%29\"$ = $\"3x-15\"$ \r
\n" ); document.write( "\n" ); document.write( "now find ( $\"f\"$ o $\"g\"$ ) $\"%282%29\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"f\"$ o $\"g\"$ ) $\"%282%29\"$ = $\"3%2A2-15+=6-15=-9\"$ \r
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