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越来越多据/strong>和据strong>减少据/strong>是属性据一种href="//www.parkandroid.com/wiki/real-analysis/" class="wiki_link" title="真实的分析" target="_blank">真实的分析据/a>这给出了某些间隔的功能的行为。为了据一种href="//www.parkandroid.com/wiki/differentiable-function/" class="wiki_link" title="可怜的功能" target="_blank">可怜的功能据/a>如果函数的导数在间隔上是正的,则已知在函数的衍生物是负的情况下相反的同时越来越大。据/p>
一种据一种href="//www.parkandroid.com/wiki/function-terminology/" class="wiki_link" title="功能" target="_blank">功能据/a>
F据/span>据说是据strong>越来越多据/strong>在一个间隔据span class="katex">
一世据/span>如果是的话据span class="katex">
一种据/span>那据/span>B.据/span>∈据/span>一世据/span>在哪里据span class="katex">
一种据/span>≤.据/span>B.据/span>那据/span>它遵循据span class="katex">
F据/span>(据/span>一种据/span>)据/span>≤.据/span>F据/span>(据/span>B.据/span>)据/span>。据/span>以类似的方式,据span class="katex">
F据/span>据说是据strong>减少据/strong>在一个间隔据span class="katex">
一世据/span>如果是的话据span class="katex">
一种据/span>那据/span>B.据/span>∈据/span>一世据/span>在哪里据span class="katex">
一种据/span>≤.据/span>B.据/span>那据/span>它遵循据span class="katex">
F据/span>(据/span>一种据/span>)据/span>≥据/span>F据/span>(据/span>B.据/span>)据/span>。据/span>
因为线的斜线切线到函数的图表据span class="katex"> y据/span>=据/span>F据/span>(据/span>X据/span>)据/span>当衍生物是阳性的时,我们可以推断出函数在其衍生物是积极的间隔时越来越大。类似地,当函数的衍生物在一个间隔时,当该间隔时,它必须是函数逐渐减小。据/p>
通过将数字线路分成函数导数为正且否定的间隔,可以基于每个子宫内的导数的符号来确定功能的行为。此外,如果知道据span class="katex"> F据/span>'据/span>(据/span>C据/span>)据/span>=据/span>0.据/span>第一个衍生开关签名据span class="katex"> X据/span>=据/span>C据/span>,然后函数ourbits a据一种href="//www.parkandroid.com/wiki/local-extrema/" class="wiki_link" title="局部极值" target="_blank">局部极值据/a>在据span class="katex"> X据/span>=据/span>C据/span>。据/span>
对或错?据/strong>
考虑该功能据span class="katex"> F据/span>(据/span>X据/span>)据/span>=据/span>X据/span>1据/span>。自从据span class="katex"> F据/span>'据/span>(据/span>X据/span>)据/span>=据/span>-据/span>X据/span>2据/span>1据/span>据据/span>0.据/span>那据span class="katex"> F据/span>(据/span>X据/span>)据/span>是其域中的函数递减据span class="katex"> (据/span>-据/span>∞据/span>那据/span>0.据/span>)据/span>∪据/span>(据/span>0.据/span>那据/span>∞据/span>)据/span>。据/p>
如果函数的衍生物据span class="katex">
F据/span>(据/span>X据/span>)据/span>=据/span>X据/span>3.据/span>-据/span>3.据/span>一种据/span>X据/span>2据/span>+据/span>B.据/span>严格增加据span class="katex">
X据/span>>据/span>0.据/span>那据/span>那么以下哪项总是真的?据/p>
与kvpy有关的更多问题据/p>
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注意加载......据/p>
设置加载......据/p>