document.write( "Question 107817: given f(x)=x^2-3x-7, find f(5) \n" ); document.write( "
Algebra.Com's Answer #78569 by checkley71(8403)\"\" \"About 
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F(X)=X^2-3X-7 SUBSTITUTING 5 FOR X WE GET;
\n" ); document.write( "F(5)=5^2-3*5-7
\n" ); document.write( "F(5)=25-15-7
\n" ); document.write( "F(5)=3 ANSWER.
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