September 2018 2 61 Report

1. Podaj dziedzinę funkcji f.

a) f(x) = \frac{1}{x-2} + \frac{1}{2x-1}

b) f(x) = \frac{1}{x-3} + \frac{1}{x^{2}-3}

c) f(x) = \frac{x}{x+4} + \frac{1}{x^{2} +4x+4}

2. Podaj dziedzinę funkcji f.

a) f(x) = \sqrt{2x-8}

b) f(x) = \sqrt{3 - x}

c) f(x) = \sqrt{-x}


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