2kx+8 |
kx2+2kx+1 |
A.[0,1) | B.[0,1] | C.(0,1] | D.(0,1) |
2kx+8 |
kx2+2kx+1 |
2+x |
A.(-2,+∞) | B.(-∞,-2] | C.(-∞,-2) | D.[-2,+∞) |
1 | ||
|
A.[1,+∞) | B.[1,2)∪(2,+∞) | C.(1,+∞) | D.(1,2)∪(2,+∞) |
x+2 |
x+1 |
A.{-1,0,1} | B.(1,3) | C.[1,3] | D.{1,3} |
4+5x |
A.:x>
| B.:x<
| C.:x≥-
| D.:x≤-
|
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