document.write( "Question 238296: how can hiking, shopping, architecture, and stock markets be used in rational functions and expressions? \n" ); document.write( "
Algebra.Com's Answer #175111 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "A rational expression is some function of a variable divided by some other (or could be the same) function of a variable, like this:\r
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\n" ); document.write( "\n" ); document.write( "A rational function is a function that is defined by a rational expression, like this:\r
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\n" ); document.write( "\n" ); document.write( "How that relates to the disciplines/interest areas you mentioned is for you to invent. \r
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