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| 1 : | jj | 61 | ## DESCRIPTION |
| 2 : | jjholt | 319 | ## Algebra |
| 3 : | jj | 61 | ## ENDDESCRIPTION |
| 4 : | |||
| 5 : | jjholt | 319 | ## KEYWORDS('algebra','function','domain','range','graph') |
| 6 : | ## Tagged by cmd6a 8/6/06 | ||
| 7 : | jj | 61 | |
| 8 : | jjholt | 319 | ## DBsubject('Algebra') |
| 9 : | ## DBchapter('Functions') | ||
| 10 : | ## DBsection('Domain and Range') | ||
| 11 : | jj | 61 | ## 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 : | gage | 268 | TEXT(beginproblem()); |
| 33 : | jj | 61 | $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 : | $ans4=2; | ||
| 55 : | |||
| 56 : | gage | 268 | ANS(interval_cmp("[$ans1,$ans2]")); |
| 57 : | ANS(interval_cmp("[$ans3,$ans4]")); | ||
| 58 : | jj | 61 | |
| 59 : | ENDDOCUMENT(); # This should be the last executable line in the problem. |
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