View of /trunk/NationalProblemLibrary/ASU-topics/setFunctions/srw2_2_7.pg

    1 ## DESCRIPTION
    2 ## Algebra
    3 ## ENDDESCRIPTION
    4 
    5 ## KEYWORDS('algebra','function','domain','range','graph')
    6 ## Tagged by cmd6a 8/6/06
    7 
    8 ## DBsubject('Algebra')
    9 ## DBchapter('Functions')
   10 ## DBsection('Domain and Range')
   11 ## Date('')
   12 ## Author('')
   13 ## Institution('ASU')
   14 ## TitleText1('')
   15 ## EditionText1('')
   16 ## AuthorText1('')
   17 ## Section1('')
   18 ## Problem1('')
   19 
   20 DOCUMENT();        # This should be the first executable line in the problem.
   21 
   22 loadMacros(
   23 "PG.pl",
   24 "PGbasicmacros.pl",
   25 "PGchoicemacros.pl",
   26 "PGanswermacros.pl",
   27 "PGauxiliaryFunctions.pl",
   28 "PGasu.pl",
   29 "extraAnswerEvaluators.pl"
   30 );
   31 
   32 TEXT(beginproblem());
   33 $showPartialCorrectAnswers = 0;
   34 
   35 
   36 TEXT(EV2(<<EOT));
   37 $BBOLD Click on the graph to view the enlarged graph $EBOLD
   38 $BR
   39 Consider the function given in the following graph.
   40 $PAR \{ image("c2s2p7.gif") \} $PAR
   41 $BR
   42 What is its domain? \{ans_rule(25)\}
   43 $BR
   44 What is its range? \{ans_rule(25)\}
   45 $BR
   46 $BBOLD
   47 Note: $EBOLD
   48 Write the answer in interval notation.
   49 EOT
   50 
   51 $ans1=-3;
   52 $ans2=3;
   53 $ans3=-1;
   54 $ans4=2;
   55 
   56 ANS(interval_cmp("[$ans1,$ans2]"));
   57 ANS(interval_cmp("[$ans3,$ans4]"));
   58 
   59 ENDDOCUMENT();        # This should be the last executable line in the problem.