document.write( "Question 68266This question is from textbook
\n" ); document.write( ": If f(x)=-1, what is x? What point(s) areon the graph of f.
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Algebra.Com's Answer #48563 by Nate(3500)\"\" \"About 
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f(x) = -1 + 0x
\n" ); document.write( "x is any real number
\n" ); document.write( "y = -1 is a horizontal line
\n" ); document.write( "So all x points are all reals, but all f(x) points are -1.
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