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 <question type="category"><category><text>1MA 09. DERIVADES/1MA.09.3 Variacions/1MA.09.3.2 Extrems relatius</text></category></question>
 
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      <text>1MA.09.3.2.10DT MONOTONIA CONCAVITAT (còpia)</text>
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<td style="width: 20%; background-color: #003300; border-color: #003300; border-style: solid; border-width: 1px; text-align: center;"><span style="font-size: large; color: #ffff99;">Derivades i extrems<br /></span></td>
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<p><span style="font-size: small; color: #003300;"><strong><span style="font-size: medium;">màxim</span> per f(x): <span style="font-size: small;"><strong>f'(x) = 0 i passa de + a -                       (o f'(x) = 0 i f''(x) &lt; 0). </strong></span><br /></strong></span></p>
<p><span style="font-size: small; color: #003300;"><strong><span style="font-size: small;"><strong><span style="font-size: medium;">mínim</span> per f(x): <span style="font-size: small;"><strong><span style="font-size: small;"><strong>f'(x) = 0 i passa de - a +                        <span style="font-size: small;"><strong><span style="font-size: small;"><strong>(o f'(x) = 0 i f''(x) &gt; 0)</strong></span></strong></span></strong></span></strong></span> </strong></span></strong></span></p>
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<p><span style="font-size: small; color: #003300;"><strong>f''(x) = 0 i canvia de signe <span style="font-size: small;">→ Inflexió per f(x)               <span style="font-size: small;"><strong><span style="font-size: small;"><strong>(o f''(x) = 0 i l'ordre de la primera derivada que no s'anul·la és imparell)</strong></span></strong></span> <br /></span></strong></span></p>
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