本课配套习题挑战模式1/5
单选题
难度系数:
1.曲线
A: 1 |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWAvuaWnOinkueahOato+WIh+WAvOaYr+ebtOe6v+eahOaWnOeOh++8jOWFiOaxguWHveaVsOWcqDxpbWcgd2lkdGg9MzMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQTgvRTYvckJBQ0UxTS1KOUdCdDFzSEFBQUJTR3c1elZvNDIyLnBuZyI+5aSE55qE5a+85pWw77yM5a+85pWw55qE5YC85bCx5piv5pac546H44CC
- 提示2:IDxpbWcgd2lkdGg9NTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQTgvRTYvckJBQ0UxTS1KOUxEaHVZRkFBQUJvQ05PWk1zNjcwLnBuZyI+5omA5Lul5YC+5pac6KeS55qE5q2j5YiH5YC85Li6Me+8jOaJgOS7peWAvuaWnOinkuS4ujxpbWcgd2lkdGg9OSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BOC9FNi9yQkFDRTFNLUo5THk4ei1IQUFBQlcyc054T0kyOTcucG5nIj4=
- 答案:Qg==
6Kej77yaPGltZyB3aWR0aD00NDAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODYvNjcvckJBQ0ZGTS1KOUtodVp2VUFBQUdDMThfcHR3MDc5LnBuZyI+
本课配套习题挑战模式2/5
单选题
难度系数:
2.已知定义在上的函数,则曲线在点处的切线方程是()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOaxguWHveaVsOWcqDxpbWcgd2lkdGg9MzMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvODYvNjgvckJBQ0ZGTS1KOXlqWWlEc0FBQUJWd2hacDRrMDU1LnBuZyI+5aSE55qE5a+85pWw77yMPGltZyB3aWR0aD0zMDMgaGVpZ2h0PTIzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODYvNjgvckJBQ0ZGTS1KOXlnRlU3RkFBQUZTRUVLQm5rMjAzLnBuZyI+
- 提示2: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
- 答案:Qg==
6Kej77yaPGltZyB3aWR0aD0zMDMgaGVpZ2h0PTIzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODYvNjgvckJBQ0ZGTS1KOXlnRlU3RkFBQUZTRUVLQm5rMjAzLnBuZyI+5Y+IPGltZyB3aWR0aD02MSBoZWlnaHQ9MjMgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84Ni82OC9yQkFDRkZNLUo5ekFyNEZMQUFBQ0ZENC1rMTA4MDQucG5nIj7nlLHngrnmlpzlvI/lj6/lvpfmm7Lnur88aW1nIHdpZHRoPTYxIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0E4L0U3L3JCQUNFMU0tSjl5VE1xOU9BQUFDRVI5RjVKTTI1NC5wbmciPuWcqOeCuTxpbWcgd2lkdGg9NjAgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvODYvNjgvckJBQ0ZGTS1KOXpTbWR3b0FBQUIteTdYZXY4MDI5LnBuZyI+5aSE55qE5YiH57q/5pa556iL5Li6PGltZyB3aWR0aD00OSBoZWlnaHQ9MTkgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BOC9FNy9yQkFDRTFNLUo5eVNYWkRqQUFBQmh5ZWdscHMwNzcucG5nIj4uIA==
本课配套习题挑战模式3/5
单选题
难度系数:
3.直线与曲线相切,则的值是( )
A: -1 |
B: -2 |
C: -3 |
D: -4 |
一次做对,真牛!
+5奖励规则>
- 提示1: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
- 提示2:IOaJgOS7peWIh+eCueS4ujxpbWcgd2lkdGg9NDMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQTgvRTcvckJBQ0UxTS1KLVBnTy05LUFBQUJpRGNYaVVFMDg4LnBuZyI+77yM5Luj5YWl5YiH57q/5b6XPGltZyB3aWR0aD00NSBoZWlnaHQ9MTkgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84Ni82OC9yQkFDRkZNLUotUEJNeWl6QUFBQmNFM05BTU03NTUucG5nIj4u
- 答案:Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.
若曲线存在垂直于轴的切线,则实数的取值范围是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5YiH57q/5Z6C55u05LqOPGltZyBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0E4L0U4L3JCQUNFMU0tSi1lZ1ZWNnJBQUFCTHpnOTNvNDIxMS5wbmciIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTgvRTgvckJBQ0UxTS1KLWVnVlY2ckFBQUJMemc5M280MjExLnBuZyIgd2lkdGg9IjciIGhlaWdodD0iMjEiPui9tO+8jOivtOaYjuWIh+e6v+eahOaWnOeOh+aYrzAuPC9wPg==
- 提示2: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
- 答案:QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.若曲线的所有切线中,只有一条与直线垂直,则实数的值等于()
A: 0 |
B: 2 |
C: 0或2 |
D: 3 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOiLpeebtOe6v+eahOaWnOeOh+WtmOWcqO+8jOS4pOadoeebtOe6v+WeguebtO+8jOWImeebtOe6v+aWnOeOh+eahOS5mOenr+etieS6ji0x77yM5omA5Lul5puy57q/55qE5YiH57q/55qE5pac546H5pivMS4=
- 提示2: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
- 答案:Qg==
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