2.1
.
2.2 .
3
3.1 .
3.2 .
3.3 .
3.4 .
3.5 ?
3.6 , .
4
4.1 , , .
4.2 .
4.3 .
4.4 .
5
, - . , , . - . .
, , , ' .
, :
- ' (AND);
- ' (OR);
- (NOT).
:
ax2 + bx + c = 0.
䒺 , a b
:
. , D > 0, 1 2, , D<0, a b. ϳ - .
- . 1. :
- 4, D<0, 6, - 5;
- 5 ( ) ( 6), 6 , 7.
:
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- ();
- ;
- ;
- ();
- ;
- ().
6.
1. , , R. =1, , =0, .
2. , ' , , . ³ .
3. :
πx2 7/x2 < 1,3;
y = 3 + 7 = 1,3;
lg(ax+ ) a > 1,3.
4. ,B, , .
5. , .
6. A, B, C .
7. , H M 3. 3, , .
8. :
a lg(x-2) < 1;
y =
Sin2 a ³ 1.
9. 1, X2, X3, X4 .
10. , :
Y
y=kx+0,5 y=mx+0,5a
y=0 -a 0 a y=0
X
11. .
A B n =1;
A H/2 n =2;
S = (A+B) H/2 n =3;
πR2 n =4;
πR2 φ/360 n =5.
12. , , . 3 ,
= ( + 2) / .
:
e m+A/B K=0;
y = ln(A+B) K=1;
K=2.
13. (,) 1 2, .
14. , , - a, b, c .
15. :
1,5 Cos2 x x < 1;
1,8 ax x = 1;
S = (x-2)2 + 6 1< x <2;
3 tg x x > 5.
16. :
bx-lgbx x < 1;
S= 1 x = 1;
bx-lgbx x >1.
17. , , C. (, , ).
18.
= ln(X2 + )
7 , 0 6.
19. X, Y, Z , A , B , C .
20. , :
Y
y=0,5
y=0,5x +1 y=-0,5x+1
y=0 y=0
X
21. :
Sin (x) < a;
y = Cos x a < < b;
tg ax + lg bx > b.
22. :
+1 x < 1;
y = 0 x =1;
-1 > 1.
23. :
lnx >0;
y = 1 0 > >-1;
ex < -1.
24. N=1, , N=2, .
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25. , ' , , 䒺 . ³ .
26. :
t < 1;
y = at + b t = 1;
e lg a + lgb arctg t t > 1.
27. , , , :
j = arctg (Y/X);
.
j , X , .
28. :
lg(x+a) a < 1;
y =
sin2 a > 1.
29. :
lg3(ax+x2)/ a < 0.5;
y = + 1/x a = 0.5;
os + a sin2 x a > 0.5.
30. , , D.
31. a , ' A(X1, Y1) B(X2, Y2) .
32. :
ln( a2 + ) x < 3;
y = 3 < x < 7;
x > 7.
9
̲
˲ Ѳ
, .