[tex]D: x\in < -4; 4 > / \{-1\} \text{ lub } x\in < -4; -1)U(-1; 4 > \\Zw: y\in (-2; 2)\\x_0=2\frac13\\f(x) > 0: x\in < -4; -1)U(2\frac13; 4 > \\f(x) < 0: x\in(-1; 2\frac13)\\y_{max}=2 \text{ dla } x=-1\\y_{min}=-2 \text{ dla } x=-1\\f_{rosnaca}: x\in < -4; -1)U(-1; 4 > \\f_{malejaca}: brak\\f_{stala}: brak[/tex]
