Fix bug 4692

Author: gajennings

OpenProblemLibrary/UCSB/Stewart5_5_3/Stewart5_5_3_6.pg

@@ -3,6 +3,7 @@
 ## DBsection(Fundamental theorem of calculus)
 ## Institution(UCSB)
 ## Level(2)
+## MO(1)
 ## TitleText1('Calculus: Early Transcendentals')
 ## AuthorText1('Stewart')
 ## EditionText1('5')
@@ -15,15 +16,23 @@ DOCUMENT();
 
 loadMacros(
   "PGstandard.pl",
-  "PGchoicemacros.pl",
+  "MathObjects.pl",
   "PGcourse.pl"
 );
 
 TEXT(&beginproblem);
+
+Context("Numeric");
+Context()->variables->set(x=>{limits=>[.1,10]});
+
 $showPartialCorrectAnswers = 1;
-$a=random(1,10,1)*random(-1,1,2);
+$a=random(1,10,1);
 $b=random(1,10,1)*random(-1,1,2);
-$c=random(1,10,1)*random(-1,1,2);
+
+
+$ans = Compute("$b+sqrt(x)");
+
+
 
 BEGIN_TEXT
 
@@ -35,6 +44,6 @@ $PAR
 
 END_TEXT
 
-ANS(fun_cmp("$b+sqrt(x)", var=>["x","t"]));
+ANS($ans->cmp());
 
 ENDDOCUMENT();