设函数[img=34x25]18034463548abb8.png[/img]在[img=95x25]180344635d05e75.png[/img]内连续、二阶可导,且[img=105x25]1803446365426ec.png[/img],若[img=44x19]180344636eccef2.png[/img]时,[img=155x26]18034463777a60d.png[/img],则[img=44x19]180344637ff0596.png[/img]时,有 ( )
A: [img=155x26]1803446387edcae.png[/img]
B: [img=155x26]1803446390d37d8.png[/img]
C: [img=155x26]180344639969ae4.png[/img]
D: [img=155x26]18034463a228f85.png[/img]
A: [img=155x26]1803446387edcae.png[/img]
B: [img=155x26]1803446390d37d8.png[/img]
C: [img=155x26]180344639969ae4.png[/img]
D: [img=155x26]18034463a228f85.png[/img]
举一反三
- 已知X为整数,且[img=53x42]17e0b2f148fda2a.png[/img]=10011011,则X的十进制数值是( ) A: +155 B: -101 C: -155 D: +101
- 下列结论正确的是( ) 未知类型:{'options': ['如果函数f(x)在点x=[img=24x21]17d622a10bb6102.png[/img]处不可导,则f(x)在点x=[img=24x21]17d622a11777a31.png[/img]处也可能连续', '如果函数f(x)在点x=[img=24x21]17d622a121a6732.png[/img]处可导,则f(x)在点x=[img=24x21]17d622a12c812cc.png[/img]处连续', '如果函数f(x)在点x=[img=24x21]17d622a13b63a95.png[/img]处连续,则f(x)在点x=[img=24x21]17d622a148cc6ab.png[/img]处可导', '如果函数f(x)在点x=[img=24x21]17d622a15bfb483.png[/img]处不连续,则f(x)在点x=[img=24x21]17d622a166c77a6.png[/img]处不可导'], 'type': 102}
- 设随机变量X、Y相互独立,且[img=265x35]1786a06017102c9.png[/img]则[img=170x38]1786a060264e037.png[/img]( )。 A: 2 B: 10 C: 26 D: 4
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型:{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 设f(x), g(x)在[a, b]上连续可导,f(x)g(x)[img=11x17]17e0a73e764e62a.jpg[/img]0,且[img=144x20]17e0c23ed9ff2ee.jpg[/img],则当[img=63x16]17e0bf7e251b419.jpg[/img]时,则有( ) 未知类型:{'options': ['', ' [img=142x19]17e0c23ef21057f.jpg[/img]', ' [img=81x38]17e0c23efd4f4db.jpg[/img]', ' [img=80x38]17e0c23f0956cb0.jpg[/img]'], 'type': 102}