document.write( "Question 181314: What are the similarities and differences between functions and linear equations? \n" ); document.write( "
Algebra.Com's Answer #135946 by Mathtut(3670)\"\" \"About 
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every linear equation is a function but not vice versa.
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\n" ); document.write( "There is one exception to this. The only linear equation that is not a function is a VERTICAL line, so any equation that takes the form of x=a is not a function.
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\n" ); document.write( "they are more similar than different.
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\n" ); document.write( "for example
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\n" ); document.write( "y=mx+b
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\n" ); document.write( "f(x)=mx+b
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