9000034902
Časť:
A
Nájdite definičný obor daného výrazu \(\log _{2}\left [\left (\frac{2}
{3} - x\right )\left (x + \frac{1}
{4}\right )\right ]\).
\(\left (-\frac{1}
{4}; \frac{2}
{3}\right )\)
\(\left (-\infty ;-\frac{1}
{4}\right \rangle \cup \left \langle \frac{2}
{3};\infty \right )\)
\(\left (-\infty ;-\frac{1}
{4}\right )\cup \left (\frac{2}
{3};\infty \right )\)
\(\left \langle \frac{1}
{4}; \frac{2}
{3}\right \rangle \)