View of /branches/CMA/set1.3_Terminology/1.3.9.pg

    1 ##DESCRIPTION
    2 ##  Determine functions of time
    3 ##ENDDESCRIPTION
    4 
    5 ## DBsubject('Precalculus')
    6 ## DBchapter('Relationships')
    7 ## DBsection(‘Terminology’)
    8 ## KEYWORDS(‘function', 'variable')
    9 ## TitleText1('Calculus: Modeling & Application')
   10 ## EditionText1('2')
   11 ## AuthorText1('Smith & Moore')
   12 ## Section1(‘1.3’)
   13 ## Problem1('9')
   14 ## Author('David Smith')
   15 ## Institution('Duke')
   16 ## Date(‘11/24/2008')
   17 
   18 DOCUMENT();
   19 loadMacros(
   20     "PGstandard.pl",
   21     "MathObjects.pl",
   22     "PGchoicemacros.pl",
   23 );
   24 
   25 # make sure we're in the context we want
   26 Context("Numeric")->flags->set(
   27   tolerance => 0.1,
   28   tolType => "absolute"
   29   );
   30 
   31 # set up for a multiple choice problem.
   32 $radio = new_multiple_choice();
   33 $radio->qa("Decide which of the following best describes the relationship between variables.", "‘Number of students absent’ is a function of ‘day of the academic year’.");
   34 $radio->extra("‘Number of students absent’ is not a function of ‘time’.", "‘Day of the academic year’ is a function of ‘class’.", "‘Day of the academic year’ is a function of ‘number of students absent’.");
   35 $radio->makeLast("None of the above.");
   36 
   37 
   38 TEXT(beginproblem());
   39 Context()->texStrings;
   40 BEGIN_TEXT
   41 $PAR
   42 Consider the number of students absent from class and the day of the academic year.
   43 $PAR
   44 \{ $radio->print_q() \}
   45 \{ $radio->print_a() \}
   46 END_TEXT
   47 Context()->normalStrings;
   48 
   49 ANS( radio_cmp( $radio->correct_ans() ) );
   50 
   51 ENDDOCUMENT();
   52 
   53         # This should be the last executable line in the problem.
   54