c |
a |
2a |
9 |
a |
6 |
c |
a |
c |
a |
c |
a |
2b |
3a |
c |
3a |
f(x2)-f(x1) |
x2-x1 |
(ax23+bx22+cx2)-(ax13+bx12+cx1) |
x2-x1 |
(x2-x1)[a(x22+x2x1+x12)+b(x2+x1)+c] |
x2-x1 |
4b2 |
9a2 |
c |
3a |
2b |
3a |
4b2 |
9a2 |
c |
3a |
b |
a |
2b |
3a |
c |
a |
2a |
9 |
b2 |
a2 |
3c |
a |
c |
a |
b |
a |
2a |
9 |
2a |
9 |
3 |
4 |
2a |
9 |
a |
6 |
A.O | B.-1 | C.π | D.-π |
x2+1 |
A.奇函数 | B.偶函数 |
C.非奇非偶函数 | D.既奇又偶函数 |
π |
2 |
A.
| B.f(1)<2f(
| ||||||||||||
C.
| D.
|
A.-log20132012 | B.-1 |
C.(log20132012)-l | D.1 |
A.f(1)<ef(0),f(2013)>e2013f(0) | B.f(1)>ef(0),f(2013)>e2013f(0) |
C.f(1)>ef(0),f(2013)<e2013f(0) | D.f(1)<ef(0),f(2013)<e2013f(0) |
© 2017-2019 超级试练试题库,All Rights Reserved.