Fix bug 4683

Author: gajennings

OpenProblemLibrary/ASU-topics/setRationalFunctions/jay1.pg

@@ -57,7 +57,7 @@ $PAR
 If this function has a horizontal asymptote, give its \(y\)-value.
 If there is no horizontal asymptote, type in $BITALIC none $EITALIC.
 $PAR
-\{ans_rule(40)\}
+\(y =\)\{ans_rule(40)\}
 $HR
 Find the \(x\)-intercept(s). 
 If there is more than one \(x\)-intercept give a list of the \(x\)-values