<?xml version="1.0" encoding="UTF-8"?>
<quiz>
  <question type="ddwtos">
    <name>
      <text>2.4.2.4 Piecewise continuity</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p class="HELM_exercise">Exercise</p>
<p>Study the graphs of the following functions for \(x \in \mathbb{R}\) and fill in the blanks with the most descriptive valid option:</p>
<p>\(f(x)= x^3-1\) for \(x&lt;1\) and \(=x^2-1\) for \(x \geq 1\) is [[1]] and</p>
<p></p>\(f(x)= x^3-1\) for \(x&lt;-1\) and \(=x^2-1\) for \(x \geq -1\) is [[2]].]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text/>
    </generalfeedback>
    <defaultgrade>1</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <idnumber/>
    <shuffleanswers>1</shuffleanswers>
    <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/>
    <dragbox>
      <text>continuous</text>
      <group>1</group>
      <infinite/>
    </dragbox>
    <dragbox>
      <text>discontinuous</text>
      <group>1</group>
      <infinite/>
    </dragbox>
    <dragbox>
      <text>neither continuous nor discontinuous</text>
      <group>1</group>
      <infinite/>
    </dragbox>
    <dragbox>
      <text>continuous at all but two points</text>
      <group>1</group>
      <infinite/>
    </dragbox>
  </question>
</quiz>
