<?xml version="1.0" encoding="UTF-8"?>
<quiz>
  <question type="multichoice">
    <name>
      <text>2.3.4 (Identify function from equation)</text>
    </name>
    <questiontext format="moodle_auto_format">
      <text><![CDATA[<p>Which of the following equations are functions?</p>]]></text>
    </questiontext>
    <generalfeedback format="moodle_auto_format">
      <text><![CDATA[<p>In order to find a function we need to check that each input component maps to one output component.</p>]]></text>
    </generalfeedback>
    <defaultgrade>1</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <idnumber/>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>none</answernumbering>
    <showstandardinstruction>0</showstandardinstruction>
    <correctfeedback format="html">
      <text>Your answer is correct.</text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text>Your answer is partially correct.</text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text>Your answer is incorrect.</text>
    </incorrectfeedback>
    <shownumcorrect/>
    <answer fraction="0" format="html">
      <text>\(x=y^2+2y\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="25" format="html">
      <text>\(x=y\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="25" format="html">
      <text>\(x = y^3\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>\(x = y^4\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="25" format="html">
      <text>\(y = x^4\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="25" format="html">
      <text>\(y = 2\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>\(y=\sqrt{x}\)</text>
      <feedback format="html">
        <text/>
      </feedback>
    </answer>
  </question>
</quiz>
