1 |
x |
4 |
y |
1 |
x |
4 |
y |
1 |
x |
4 |
y |
y |
x |
4x |
y |
|
5 |
2 |
x2-4x+5 |
2x-4 |
A.最大值
| B.最小值
| C.最大值1 | D.最小值1 |
A.f(1.5)<f(3.5)<f(6.5) | B.f(3.5)<f(1.5)<f(6.5) |
C.f(6.5)<f(3.5)<f(1.5) | D.f(3.5)<f(6.5)<f(1.5) |
1+f(x) |
1-f(x) |
2x |
4x+1 |
|
4 |
3 |
4 |
3 |
A.-2 | B.-1 | C.1 | D.2 |
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