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2
⑵ f(x)≥ax+ - ; a
⑴ f(x)
f(x)=│2x+1│-│x-3│ ;
24.(4 5)
⑴ BD ∠CBE ; ⑵ AH BH=AE HC
E BD ,CD
AD ∠BAC BC H O D BE
AB O BE O C O A, B
22. (4 1)
( 10
(2) f(x)
(1) k=e-e2 f(x) ;
21. 12 f(x)=x- -lnx
L; x=a2/m P,Q , OQ OR >4
m≠0), P A,B , AP ,BP
⑵ AB C x AB x=m (│m│<a
⑴ C
A1 ,A2 A1 A2 x2/a2+y2/b2=1(a>b>0)
20.(12 C :x2+y2=4 , M(2 , 4)
⑵ AD= ,AB=BC=2, P AC P A1B C
A1B ⑴ BC⊥ A1B ;
19. 12 ABC-A1B1C1 AD⊥ A1BC , D
⑵ 5 2 2
⑴ 5 3 3
(2 3 )
18. 12 2014 8 5
c1+c2+--------+c2015
⑵ {cn} n c1/b1+c2/b2+----+cn/bn=an+1
⑴ {an} ,{bn}
a2 ,a5 ,a14 {bn} b2 ,b3 , b4
17. 12 {an} a1=1, d>0 ,
70
O O ACD1
16. D 1 ABCD A1B1C1D1
15. x,y t=y-2x
A,│AF2│=│F1F2│ m
14. F1,F2 x2-y2/m=1 , F2 x
13. 5 2 1
20 4×5
12. f(x)=x- ( )
C.(-∞, ] D.(-∞, )
A. [ ,+∞) B.( ,+∞)
f(x) (-1,1) a ( )
11. a∈R, f(x)=(-x2+a x)e x( e ),
A. 1 B.2 C.3 D.4
AB ( )
10. y2=4x AB x ,|AB|=4,
9.
A.2 B.3 C.4 D.5
8. a=2 , i
C.[kπ+ , kπ+](k∈Z) D.[kπ-,kπ](k∈z)
A.[kπ - ,kπ+ ](k∈Z) B.[ kπ,kπ+ ](k∈Z)
f(x) ( )
7. f(x)=sin(2x+φ), │ f()│=1 , │ f()│> │ f(π)│
C. D.
A. B.
6. a,b a ⊥(a+b) , │a│=1,│b│= , a ,b
C.1 D.-3
A.1 -1 B.-1 3
(a0+a2+-------+a8)2-(a1+a3+-----+a9)2=39 m=
5. (x+2+m)9=a0+a1(x+1)+ a2(x+1)2+--------+a9(x+1)9
C. D.-
A. B.-
4. sinα= , α tan(2π-α)=
C. f(a+1)=f(2) D.
A.f(a+1)>f(2) B.f(a+1)<f(2)
( )
3. f(x)=loga|x| (-∞,0) f(a+1) f(2)
A.4 B.3 C. 2 D. 1
P4: Z
P3: Z 1+i
P1: Z 1+i P2: Z 1
2. Z=
C.{-1, 1,2,3} D.A=B
A.A B B.B A
B
1. A={x∈Z|x2-x-6<0},B={x+y|x∈A,y∈A,x≠y}
5 60
( )
2015. 4. 6
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