September 2018 1 16 Report

Wyznacz dziedziny funkcji:

a) f(x) = \frac{5x -3}{|2x+5|}

b) y = \frac{2}{\sqrt{2- |x+3|}}

Wiedząc, że x E (1;3) zapisz prościej:

\sqrt{16-8x+x^2} + 2 \sqrt{x^2 - 4x+1}


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