A.y=sin(2x-
| B.y=cos(2x-
| C.y=sin(x+
| D.y=cos(x+
|
2π |
ω |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
1 |
ax-1 |
1 |
b |
A.2 | B.1 | ||
C.
| D.与a有关的值 |
|
A.奇函数,在(-∞,+∞)上单调递减 |
B.奇函数,在(-∞,+∞)上单调递增 |
C.偶函数,在(-∞,0)上递减,在(0,+∞)上递增 |
D.偶函数,在(-∞,0)上递增,在(0,+∞)上递减 |
f(x1)+f(x2) |
x1+x2 |
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