在区间[img=49x25]18031b3d0b9913c.png[/img] 上, 下列函数满足罗尔中值定理的是[img=30x25]18031b3d14b713a.png[/img].
A: [img=115x44]18031b3d1d5f413.png[/img]
B: [img=106x44]18031b3d25a8d15.png[/img]
C: [img=91x30]18031b3d2dc53e9.png[/img]
D: [img=148x27]18031b3d3600656.png[/img]
A: [img=115x44]18031b3d1d5f413.png[/img]
B: [img=106x44]18031b3d25a8d15.png[/img]
C: [img=91x30]18031b3d2dc53e9.png[/img]
D: [img=148x27]18031b3d3600656.png[/img]
举一反三
- 在区间[img=49x25]1803ba1b7110b60.png[/img] 上, 下列函数满足罗尔中值定理的是[img=30x25]1803ba1b78c7eb3.png[/img]. A: [img=115x44]1803ba1b80f94f4.png[/img] B: [img=106x44]1803ba1b897d6fa.png[/img] C: [img=91x30]1803ba1b918f5be.png[/img] D: [img=148x27]1803ba1b9a1f11f.png[/img]
- X为随机变量，E(X)=-1，D(X)=3，则E(3[img=24x22]1803da40b5dbfd6.png[/img]+20)=( ) A: 18 B: 9 C: 30 D: 32
- X为随机变量，E(X)=-1，D(X)=3，则E(3[img=24x22]1803da40ac7a8ce.png[/img]+20)=( ) A: 18 B: 9 C: 30 D: 32
- X为随机变量，E(X)=-1，D(X)=3，则E(3[img=24x22]1803381b293bffb.png[/img]+20)=( ) A: 18 B: 9 C: 30 D: 32
- X为随机变量，E(X)=-1，D(X)=3，则E(3[img=24x22]17de66bf652c147.png[/img]+20)=( ) A: 18 B: 9 C: 30 D: 32