.
9
1. = cosx +3 x 2.
| a) - sinx +3 x | )- sinx +6 x | ) sinx +6 x | ) sinx +3 |
A2. =15 3+3 2-4 +5.
| ) 15 2+3 -4 | ) 45 2+6 -4 | ) 45 2+3 -4 | ) 45 2+56 -4 |
3. =ctgx +2.
) 
| ) 
| ) 
| ) 
|
4. = 
0=0.
| ) 1 | ) -1 | ) 0 | ) - 
|
5. =3 sinx +12 x 0= 
.
| a) 15 | ) 12 | ) 1,5π2 | ) -3-6π |
6. = 3-5 2+8 +1 0.
a)(-∞;1  )
| ) (-∞;1 ]
| ) [1 ;2)
| ) (1 ;2)
|
7. S = t 6-4 t 4 (). t =2 c.
| a) 16 | ) 32 | ) 64 | )40 |
8. =16 +3 .
| a) 0 | ) 16 | ) 19 | )3 |
9. = 3-9 2+15 -3 [0;2].
| ) -3 | ) -1 | ) 4 | ) 15 |
A10. = 
.
a)[  ; ]
| ) (; ]
| ) (-∞; )U(;+∞)
| ) (-∞;- )U(;+∞)
|
11. f (x)= x 2-3 x +5 0=-1.
| a) =-5 +4 | ) =5 +4 | ) =-5 -4 | ) =5 -4 |
A12. , f '(x)<0, f (x)=81 x -3 x 3.
| a)[-3;3] | ) (-3; 3) | ) (-∞;-3]U[3;+∞) | ) (-∞;-3)U(3;+∞) |
