jj2.pg

## DESCRIPTION
## Algebra
## ENDDESCRIPTION

## Tagged by cmd6a 8/6/06

## DBsubject(Algebra)
## DBchapter(Polynomial equations and functions)
## DBsection(Graphs of polynomials)
## Institution(ASU)
## MLT(Incr_Decr)
## Level(2)
## Static(1)
## KEYWORDS('algebra','function','graph','decreasing')

DOCUMENT();        # This should be the first executable line in the problem.

loadMacros(
  "PGstandard.pl",
  "PGchoicemacros.pl",
  "PGasu.pl",
  "extraAnswerEvaluators.pl",
  "PGcourse.pl"
);

TEXT(beginproblem());
$showPartialCorrectAnswers = 0;


TEXT(EV2(<<EOT));
$BBOLD Click on the graph to view the enlarged graph $EBOLD
$BR
For the function given in the graph
$PAR \{ image("c4s2p7.gif",
    alt=>"Graph of a continuous function on interval [-3,3] with local maximum near x=-1, local minimum near x=2, decreasing on (-3,-1) and (2,3)."
) \} $PAR
$BR
the function is decreasing in the interval(s) \{ans_rule(25)\}.
$BR
$BBOLD Note: $EBOLD
Write the answer using (open) interval(s).
If the answer includes more than one interval write the intervals separated by
the "union" symbol, U. 

$BR
EOT

ANS(interval_cmp("(-3,-1)U(2,3)", sloppy=>'yes', tolType=>'absolute', tol=>0.21));


ENDDOCUMENT();        # This should be the last executable line in the problem.