1.
1, y\nearrow." alt="y=(\sqrt{2}) ^{x}-3 , \\ \sqrt{2}>1, y\nearrow." align="absmiddle" class="latex-formula">
2.
\frac{\pi }{4}, \\ tg \frac{3 \pi }{8}>1, y\nearrow. " alt="y=(tg \frac{3 \pi }{8} ) ^{x} , \\ tg \frac{\pi }{4}=1, \frac{3 \pi }{8}>\frac{\pi }{4}, \\ tg \frac{3 \pi }{8}>1, y\nearrow. " align="absmiddle" class="latex-formula">
3.
1, y\nearrow." alt="y=(ctg \frac{ \pi }{12}) ^{x} , \\ ctg \frac{\pi }{4}=1, \frac{\pi }{12}<\frac{\pi }{4}, \\ ctg \frac{ \pi }{12}>1, y\nearrow." align="absmiddle" class="latex-formula">