曲线y=ex与其过原点的切线及Y轴所围面积为( )

A 连续且可导 B 连续且不可导 C 不连续 D 不仅可导，导数也连续

A 没有渐近线 B 仅有水平渐近线 C 仅有铅直渐近线 D 既有水平渐近线，又有铅直渐近线

A -1 B 1 C <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103244_2892.png" width="37" height="37" /> D 2

A 等价无穷小 B f(x)是比g(x)高阶无穷小 C f(x)是比g(x)低阶无穷小 D f(x)与g(x)是同阶但非等价无穷小

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103257_4454.png" width="39" height="38" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103302_4767.png" width="44" height="38" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103306_8204.png" width="17" height="19" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103311_4298.png" width="23" height="23" />

A 1 B 0 C <img src="https://www.beizhujiaoyu.com/uploads/202208/20190828103349_6017.jpg" width="38" height="37" /> D -1

A cosx·e^x B sinx·e^x C 2e^x(cosx-sinx) D 2e^x(sinx-cosx)

A 发散 B 条件收敛 C 绝对收敛 D 不能确定

A exIn2 B e2xIn2 C ex+In2 D e2x+In2