成人高考专升本《高数二》应试模拟题(6)
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- A.2(x-y)
- B.2(x+y)
- C.4
- D.2
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- A.2h
- B.α·2α－1
- C.2 αln 2
- D.0
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图2-5—1所示的?(x)在区间[α，b]上连续，则由曲线y=?(x)，直线x=α，x=b及x轴所围成的平面图形的面积s等于（ ）．
- A.<img src="//img1.yqda.net/question-name/b7/b30138cbaab7b65798619b039bc37d.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/18/a001288a8df65ee6658d3ec66b99f6.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/c1/8689caa2ab174ba86d223f8e865635.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/62/9c5abe38630b08162fb641004ea7bd.jpg" alt="" /><img src="//img1.yqda.net/question-name/e2/1c307d2425d334f4fb91846762b05a.jpg" alt="" />
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- A.<img src="//img1.yqda.net/question-name/fc/5204d3d81de66ab75d9da04a0ef9e4.png" alt="" />
- B.<img src="//img1.yqda.net/question-name/6e/0c26aee9eb938abb0c308cedc2790f.png" alt="" />
- C.<img src="//img1.yqda.net/question-name/c1/9e15d171120df5093dc44c5606e2f5.png" alt="" />
- D.<img src="//img1.yqda.net/question-name/77/d62fdee9bb696c864e11ecefcbde5a.png" alt="" />
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- A.<img src="//img1.yqda.net/question-name/3f/e2f2dfd817e2b8f013e9ccd80b6e01.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/fd/d9d95bfb5c2a5ae08ab57a339155cc.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/6a/b6bc7b461a64173d00ca6133b7c10c.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/ef/13636e0e9b4cce780ba154c2cdc275.jpg" alt="" />
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- A.可微
- B.不连续
- C.无切线
- D.有切线，但该切线的斜率不存在
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- A.2x+1
- B.2xy+1
- C.x2+1
- D.x2
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