January 2019 1 30 Report
Wyznacz dziedzinę funkcji:
a) f(x)=5^{|x^2+1|}
b) f(x)= \frac{ e^{\frac{2}{x}} +1}{ \frac{2}{x}+1 }
c) f(x)= \sqrt{2^{x+4}}
Proszę z wyjaśnieniem, dlaczego tak jest :)
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