Dau coroana hdjsuggjk
![Dau Coroana Hdjsuggjk class=](https://ro-static.z-dn.net/files/d14/72318b7da840d4601397dc49071b7a9e.jpg)
Răspuns:
a) (-∞, -1)
b) (-∞, 2)
c) (0, +∞)
d) (-3, +∞)
e) (5, +∞)
f) (-∞, 0)