document.write( "Question 1088761: If f(x)=x^2 -1 and g(x)=1/x, write the expression f(g(x)) in terms of x.
\n" ); document.write( "A. (1+x)(1-x) over x^2
\n" ); document.write( "B. (1+x) over x^2
\n" ); document.write( "C. (1-x) over x^2
\n" ); document.write( "D. 1/x^2
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Algebra.Com's Answer #703090 by Boreal(15235)\"\" \"About 
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Put the g(x) in the f (x) function
\n" ); document.write( "(1/x)^2-1
\n" ); document.write( "1/x^2-1
\n" ); document.write( "That is (1-x^2)/x^2, which is (1+x)(1-x)/x^2.
\n" ); document.write( "A.
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