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	<id>https://matematikk.net/w/index.php?action=history&amp;feed=atom&amp;title=Definisjonsmengde%2C_verdimengde</id>
	<title>Definisjonsmengde, verdimengde - Sideversjonshistorikk</title>
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	<updated>2026-04-23T11:40:52Z</updated>
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	<entry>
		<id>https://matematikk.net/w/index.php?title=Definisjonsmengde,_verdimengde&amp;diff=34434&amp;oldid=prev</id>
		<title>Administrator på 16. feb. 2026 kl. 05:29</title>
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		<updated>2026-02-16T05:29:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Eldre sideversjon&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Sideversjonen fra 16. feb. 2026 kl. 05:29&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Linje 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linje 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Definisjonsmengde ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div style=&quot;background:#f8f9fa; padding:20px; border-radius:8px; border:1px solid #dcdcdc;&quot;&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Hvilke verdi den variable kan ha i funksjonen bestemmes av definisjonsmengden D. Dersom funksjonens navn er f, brukes notasjonen &amp;lt;math&amp;gt;D_f = [x_1, x_2]&amp;lt;/math&amp;gt;. Alternativt bruker man &amp;lt;math&amp;gt; x \in [x_1, x_2] &amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/div&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Verdimengde ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Verdimengde ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Administrator</name></author>
	</entry>
	<entry>
		<id>https://matematikk.net/w/index.php?title=Definisjonsmengde,_verdimengde&amp;diff=34432&amp;oldid=prev</id>
		<title>Administrator: Ny side: == Verdimengde ==  &lt;div style=&quot;background:#f8f9fa; padding:20px; border-radius:8px; border:1px solid #dcdcdc;&quot;&gt;  Hvilke verdier som kommer ut av funksjonen, funksjonsverdiene, er bestemt av definisjonsmengden og av funksjonsuttrykket.   Mengden av funksjonsverdier kalles &#039;&#039;&#039;verdimengden&#039;&#039;&#039;.  &lt;br&gt;&lt;br&gt;  Om funksjonens navn er f brukes notasjonen &lt;math&gt;V_f&lt;/math&gt;.  &lt;br&gt;&lt;br&gt;  Man kan se på en funksjon som en «bro» mellom to mengder: definisjonsmengden og verdimengden.  &lt;/div&gt;  &lt;br&gt;…</title>
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		<updated>2026-02-16T04:48:32Z</updated>

		<summary type="html">&lt;p&gt;Ny side: == Verdimengde ==  &amp;lt;div style=&amp;quot;background:#f8f9fa; padding:20px; border-radius:8px; border:1px solid #dcdcdc;&amp;quot;&amp;gt;  Hvilke verdier som kommer ut av funksjonen, funksjonsverdiene, er bestemt av definisjonsmengden og av funksjonsuttrykket.   Mengden av funksjonsverdier kalles &amp;#039;&amp;#039;&amp;#039;verdimengden&amp;#039;&amp;#039;&amp;#039;.  &amp;lt;br&amp;gt;&amp;lt;br&amp;gt;  Om funksjonens navn er f brukes notasjonen &amp;lt;math&amp;gt;V_f&amp;lt;/math&amp;gt;.  &amp;lt;br&amp;gt;&amp;lt;br&amp;gt;  Man kan se på en funksjon som en «bro» mellom to mengder: definisjonsmengden og verdimengden.  &amp;lt;/div&amp;gt;  &amp;lt;br&amp;gt;…&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Ny side&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Verdimengde ==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#f8f9fa; padding:20px; border-radius:8px; border:1px solid #dcdcdc;&amp;quot;&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Hvilke verdier som kommer ut av funksjonen, funksjonsverdiene, er bestemt av definisjonsmengden og av funksjonsuttrykket.  &lt;br /&gt;
Mengden av funksjonsverdier kalles &amp;#039;&amp;#039;&amp;#039;verdimengden&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Om funksjonens navn er f brukes notasjonen &amp;lt;math&amp;gt;V_f&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Man kan se på en funksjon som en «bro» mellom to mengder: definisjonsmengden og verdimengden.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=== Illustrasjoner ===&lt;br /&gt;
&lt;br /&gt;
[[Fil:Funksjonsbro.png|center|300px|Funksjonen som en bro mellom definisjonsmengde og verdimengde]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Fil:Graf.png|center|400px|Sammenhengen mellom definisjonsmengde og verdimengde vist i en graf]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#fff8cc; padding:18px; border-radius:8px; border-left:6px solid #f0c000;&amp;quot;&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=== Video ===&lt;br /&gt;
&lt;br /&gt;
[https://youtu.be/XFgEyYxmRs8 Videoeksempel: Fra definisjonsmengde til verdimengde]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;/div&gt;</summary>
		<author><name>Administrator</name></author>
	</entry>
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