• 2022-06-30
    曲线[img=172x61]180302ebb28745c.png[/img]在点[img=77x25]180302ebbae01ad.png[/img]处的切线方程为( ).
    A: [img=169x43]180302ebc806ae5.png[/img]
    B: [img=294x25]180302ebd2d6ea4.png[/img]
    C: [img=169x43]180302ebdd66523.png[/img]
    D: [img=294x25]180302ebe8f268d.png[/img]
  • C

    内容

    • 0

      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}

    • 1

      曲线[img=157x61]18030b03df2aa61.png[/img]在点(1,-2,1)处的切线方程为( ) A: [img=169x44]18030b03e7b11b7.png[/img] B: [img=169x43]18030b03efdce85.png[/img] C: [img=169x43]18030b03f84e91e.png[/img] D: [img=106x43]18030b04006eac1.png[/img]

    • 2

      设函数[img=66x25]1803d34ffaf66ee.png[/img]在点[img=17x17]1803d35002a9b19.png[/img]处可导,且在点[img=17x17]1803d35002a9b19.png[/img]处取得极小值,则曲线在点[img=77x25]1803d35013f3d84.png[/img]处的切线方程为( ) 未知类型:{'options': ['x=0', 'x=1', '', ''], 'type': 102}

    • 3

      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}

    • 4

      f(x)在x处可导,a,b为常数,则[img=27x32]1802fa0c04c2042.png[/img][img=234x25]1802fa0c10631ae.png[/img]= A: [img=93x26]1802fa0c195a7ad.png[/img] B: [img=93x26]1802fa0c2233a71.png[/img] C: [img=39x26]1802fa0c2adc024.png[/img] D: f(x)