document.write( "Question 639287: What is the value of f(x) given the value of x x=4
\n" ); document.write( "f(x)x^4-x^2-9x-16 \n" ); document.write( "

Algebra.Com's Answer #402691 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=x%5E4-x%5E2-9x-16\"$ .....if $\"x=4\"$ , we will have:\r
\n" ); document.write( "\n" ); document.write( " $\"f%284%29=4%5E4-4%5E2-9%2A4-16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%284%29=256-16-36-16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%284%29=256-68\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%284%29=188\"$ \n" ); document.write( "

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