1/5单选题
难度：
1.
当自变量从x0变到x1时，函数值的增量与相应自变量的增量之比是函数( )
| A | 在[x0，x1]上的平均变化率 |
| B | 在x0处的变化率 |
| C | 在x1处的变化率 |
| D | 以上都不对 |
- 提示1：
- PHA+5bmz5Z2H5Y+Y5YyW546H55qE5a6a5LmJPC9wPg==
正确答案：QQ==
PHA+55Sx5bmz5Z2H5Y+Y5YyW546H55qE5a6a5LmJ77yM5Y2z5Ye95pWw5YC855qE5aKe6YeP5LiO6Ieq5Y+Y6YeP55qE5aKe6YeP55qE5q+U5YC877yM5Y+v55+l6YCJQTwvcD4=
2/5单选题
难度：
2.某手机配件生产流水线共有甲、乙两条，产量s(单位：个)与时间t(单位：天)的关系如图1－1－2所示，则接近t0天时，下列结论中正确的是( )
| A | 甲的日生产量大于乙的日生产量 |
| B | 甲的日生产量小于乙的日生产量 |
| C | 甲的日生产量等于乙的日生产量 |
| D | 无法判定甲的日生产量与乙的日生产量的大小 |
- 提示1：
- 5bmz5Z2H5Y+Y5YyW546H55qE5Yeg5L2V5oSP5LmJ
正确答案：Qg==
55Sx5bmz5Z2H5Y+Y5YyW546H55qE5Yeg5L2V5oSP5LmJ5Y+v55+l77yM5b2T5o6l6L+R5LqOPGk+dDwvaT48c3ViPjA8L3N1Yj7ml7bvvIzmm7Lnur/kuZnlibLnur/nmoTmlpznjoflpKfkuo7mm7Lnur/nlLLlibLnur/nmoTmlpznjofvvIzmlYXkuZnnmoTml6Xkuqfph4/lpKfkuo7nlLLnmoTml6Xkuqfph4/vvI4=
3/5单选题
难度：
3.已知函数f(x)＝2x2－1的图象上一点(1,1)及邻近一点(1＋Δx，f(1＋Δx))，则
等于( )
等于( ) | A | 4 |
| B | 4＋2Δx |
| C | 4＋2(Δx)2 |
| D | 4x |
- 提示1：
- 6KGo56S65Ye6zpQ8aT55PC9pPg==
正确答案：Qg==
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
4/5单选题
难度：
4.
设f(x)在x＝x0处可导，则li
等于( )
| A | －f′(x0) |
| B | f′(－x0) |
| C | f′(x0) |
| D | 2f′(x0) |
- 提示1：
- PHA+5Y+v5Lul5bCGPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzdCL0NCL3JCQUNFMVRaV2pPd3JQaldBQUFCZUFUTzlFODUzMy5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvN0IvQ0IvckJBQ0UxVFpXak93clBqV0FBQUJlQVRPOUU4NTMzLnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjI3Ij7mlbTkvZPkvZzkuLroh6rlj5jph4/nmoTlop7ph488L3A+
正确答案：QQ==
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
5/5单选题
难度：
5.如图，函数y＝f(x)在A，B两点间的平均变化率是( )
| A | 1 |
| B | 2 |
| C | －1 |
| D | －2 |
- 提示1：
- 55u05o6l5Yip55So5a6a5LmJ5rGC6Kej
正确答案：Qw==
PGltZyB3aWR0aD0xNiBoZWlnaHQ9NDMgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9COC81Qi9yQkFDRkZUWldpanhUa0NQQUFBQjN3ZkNEekkzNTEucG5nIj7vvJ08aW1nIHdpZHRoPTU0IGhlaWdodD00MyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0I4LzVDL3JCQUNGRlRaV2pYUUc1TU1BQUFDbm1RTTJOdzc3Ny5wbmciPu+8nTxpbWcgd2lkdGg9MjkgaGVpZ2h0PTQzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNDcvMTgvckJBQ0psVFpXamF3RkRVNEFBQUJwLWFYZUp3ODQ0LnBuZyI+77yd77yNMS4=