Odpowiedź:
[tex]a)\ x\in\left\langle-6,4\right)\\b)\ f(x)\in\left\langle-4,5\right)\\c)\ x\in\{-5,-1\}\\d)\ \left\langle-3,0\right\rangle, \left\langle2,4\right)\\e)\ \left\langle-6,-3\right\rangle\\f)\ \left\langle-6,-5\right), \left(-1,4\right)\\g)\ \left(-5,-1\right)\\h)\ f(0)\cdot f(-6) = 2 \cdot 2 = 4\\i) \ nie , bo\ f(-6) = f(0)\\j) \ nie, bo \ f(-1) = 0 \ oraz \ f(1) = 2, f(x) \neq f(-x)[/tex]
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Odpowiedź:
[tex]a)\ x\in\left\langle-6,4\right)\\b)\ f(x)\in\left\langle-4,5\right)\\c)\ x\in\{-5,-1\}\\d)\ \left\langle-3,0\right\rangle, \left\langle2,4\right)\\e)\ \left\langle-6,-3\right\rangle\\f)\ \left\langle-6,-5\right), \left(-1,4\right)\\g)\ \left(-5,-1\right)\\h)\ f(0)\cdot f(-6) = 2 \cdot 2 = 4\\i) \ nie , bo\ f(-6) = f(0)\\j) \ nie, bo \ f(-1) = 0 \ oraz \ f(1) = 2, f(x) \neq f(-x)[/tex]