微积分上册考试题及答案
一、单项选择题
1.函数\(f(x)=\frac{1}{\ln(x-1)}\)的定义域是()
A.\(x1\)B.\(x\neq2\)C.\(x1\)且\(x\neq2\)D.\(x\geq1\)且\(x\neq2\)
答案:C
2.当\(x\to0\)时,与\(x\)等价无穷小的是()
A.\(\sin2x\)B.\(1-\cosx\)C.\(\ln(1+x)\)D.\(e^{2x}-1\)
答案:C
3.函数\(y=x^3-3x\)的驻点是()
A.\(x=1\)B.\(x=-1\)C.\(x=1\)和\(x=-1\)D.\(x=0\)
答案:C
4.若\(f(x)\)的一个原函数为\(F(x)\),则\(\intf(ax+b)dx\)(\(a\neq0\))等于()
A.\(F(ax+b)+C\)B.\(\frac{1}{a}F(ax+b)+C\)C.\(aF(ax+b)+C\)D.\(F(x)+C\)
答案:B
5.极限\(\lim\limits_{x\to\infty}(1+\frac{2}{x})^{x}\)的值为()
A.\(e\)B.\(e^2\)C.\(1\)D.\(0\)
答案:B
6.设\(f(x)\)在点\(x_0\)处可导,则\(\lim\limits_{h\to0}\frac{f(x_0+h)-f(x_0-h)}{h}\)等于()
A.\(f(x_0)\)B.\(2f(x_0)\)C.\(0\)D.\(f(2x_0)\)
答案:B
7.函数\(y=\sqrt{4-x^2}\)在区间\([-2,2]\)上的最大值是()
A.\(0\)B.\(2\)C.\(-2\)D.\(1\)
答案:B
8.若\(\intf(x)dx=F(x)+C\),则\(\inte^{-x}f(e^{-x})dx\)等于()
A.\(F(e^{-x})+C\)B.\(-F(e^{-x})+C\)C.\(F(e^{x})+C\)D.\(-F(e^{x})+C\)
答案:B
9.曲线\(y=x^2\)与直线\(y=x\)所围成图形的面积为()
A.\(\frac{1}{6}\)B.\(\frac{1}{3}\)C.\(\frac{1}{2}\)D.\(1\)
答案:A
10.下列函数中,在区间\((0,+\infty)\)上单调递增的是()
A.\(y=\frac{1}{x}\)B.\(y=-x^2\)C.\(y=\lnx\)D.\(y=\sinx\)
答案:C
二、多项选择题
1.下列函数中,是奇函数的有()
A.\(y=x^3\)B.\(y=\sinx\)C.\(y=\frac{1}{x}\)D.\(y=e^x\)
答案:ABC
2.当\(x\to0\)时,下列无穷小量中,比\(x\)高阶的无穷小量有()
A.\(x^2\)B.\(\sinx^2\)C.\(1-\cosx\)D.\(\tanx\)
答案:ABC
3.函数\(f(x)\)在点\(x_0\)处可导的充分必要条件是()
A.\(f(x)\)在点\(x_0\)处连续
B.\(f(x)\)在点\(x_0\)处左导数和右导数都存在
C.\(f(x)\)在点\(x_0\)处左导数和右导数都存在且相等
D.\(f(x)\)在点\(x_0\)处的极限存在
答案:C
4.下列积分中,值为\(0\)的有()
A.\(\int_{-1}^{1}x^3dx\)B.\(\int_{-1}^{1}\sinxdx\)C.\(\int_{-1}^{1}e^xdx\)D.\(\int_{-1}^{1}\frac{1}{x}dx\)
答案:AB
5.函数\(y=f(x)\)在点\(x_0\)处取得极值的必要条件是()
A.\(f(x_0)=0\)B.\(f(x_0)\)不存在
C.\(f(x)\)在点\(x_0\)处连续
D.\(f(x)\)在点\(x_0\)处可导
答案:AB
6.下列函数中,其导数为\(\frac{1}{x}\)的有()
A