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默认课程课程封面

学科：默认课程

时间：2026-01-26 09:33:17

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函数<img src="https://p.ananas.chaoxing.com/star3/origin/2713250c1954e2ef7dbc86b9fd75c5d0.png">的定义域是( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/7ad8477e241de60eb32a1c3485fc1d51.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/226beecebd26c3dc32a57708d08b10f7.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/d9072c5b687c4bc624e7b2addfc1487c.png">D. 以上都不正确

设<img src="https://p.ananas.chaoxing.com/star3/origin/f76f10fad15a9418aef4e7c6259f8a15.png">,则<img src="https://p.ananas.chaoxing.com/star3/origin/d2db94f5f96bd851c4befe7c4f1f0ba4.png">( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/7669e6e9a389de6ebb9946e5ea7e5cc7.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/9396b5c0ed7ed70428597d30b086e17d.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/87bf20fd1e31831c62ba3be31244fb73.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/117a811ed17cbd904c667fc3b1f6e319.png">

<img src="https://p.ananas.chaoxing.com/star3/origin/d087c02c74f022a93cb21857786ebc85.png">( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/44e86a8544d037cb056ddc42a3998cec.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/a7c3f77473ed80d3d3d37cbfded17f71.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/d4bc6ff3b86901aa323e18d7ed86b664.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/820bc7b144b442f9401e8fb007743e0f.png">

<img src="https://p.ananas.chaoxing.com/star3/origin/f5efe0eb3738bc97947fb6376fae392e.png">( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/47aef3b1cf6ff2dab440165b14da9118.png">B. 1C. -1D. 不存在

若函数<img src="https://p.ananas.chaoxing.com/star3/origin/8bca90f7c0e55fd9039314e76e4c2ab2.png">,则其微分<img src="https://p.ananas.chaoxing.com/star3/origin/d9870d533266d929abc0263a7bc9e419.png"> ( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/b5c92464670679a331c7c3fe8875c730.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/6e1c17f888bdafa071bb4e4baaaefe52.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/660581f567734b0ba98f24f2037210fc.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/4921cfb588e7a59ce0b3ea68b8c88a4a.png">

函数<img src="https://p.ananas.chaoxing.com/star3/origin/3ccf6a9dae208a7445ff0f0695b3b647.png">的单调递增区间为( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/0b7af08db16c50f543d04010cd290f37.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/79d3be248c4a0706f18075c09e0041fa.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/3db3c18f86b04e18af86e7fdcd67d9c0.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/01e42239f9e6ad209a556f5d50c6b82a.png">

<img src="https://p.ananas.chaoxing.com/star3/origin/a600cc8eb672f39ddb4df3c31f4729f9.png">( )

A. <img src="https://p.ananas.chaoxing.com/star3/origin/f94f17848c00b8e149e901decf903f06.png">B. <img src="https://p.ananas.chaoxing.com/star3/origin/a78db6d909695c08977bd00530db4af9.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/429c60f6340c71d0c15e4ec22072fd98.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/dec95ac4eed358e30121b8ca67c99d8a.png">

<img src="https://p.ananas.chaoxing.com/star3/origin/13c46faff52f3464c62d81032230d434.png">

A. 连续B. 不连续C. 无法判断D. 以上均不正确

满足方程<img src="https://p.ananas.chaoxing.com/star3/origin/4b8489e29106e8831f2b50ac1bb829b5.png">的点一定是函数<img src="https://p.ananas.chaoxing.com/star3/origin/19564f2c95a3c6245670bd27b4d571d8.png">的( )

A. 极值点B. 拐点C. 驻点D. 以上结论都不正确

已知<img src="https://p.ananas.chaoxing.com/star3/origin/a61e7e835a1d724d53e42b5a363ac4e5.png"> ,则<img src="https://p.ananas.chaoxing.com/star3/origin/db7c317a382662d29c523f803b2f5285.png"> ( )

A. 1B. <img src="https://p.ananas.chaoxing.com/star3/origin/1a30b3e8655494058b953073db70c16e.png">C. <img src="https://p.ananas.chaoxing.com/star3/origin/d114207a320f51bf1ff9023b4283ac1e.png">D. <img src="https://p.ananas.chaoxing.com/star3/origin/06685b3ca6549fa118a50e5ff4c3612b.png">

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