document.write( "Question 454019: find f(-3) when f(x)=x squared+3x-4 \n" ); document.write( "

Algebra.Com's Answer #311832 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "find f(-3) when $\"f%28x%29=x%5E2%2B3x-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=%28-3%29%5E2%2B3%28-3%29-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=9-9-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=cross%289%29-cross%289%29-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=-4\"$ \n" ); document.write( "

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