log⁡af>log⁡ag\log_a f>\log_a g
En (0,+∞)(0,+\infty) para a>1a>1 el logaritmo aumenta: log⁡af>log⁡ag ⇔ f>g\log_a f>\log_a g\ \Leftrightarrow\ f>g (con f,g>0f,g>0). Para 0<a<10<a<1 la desigualdad cambia: log⁡af>log⁡ag ⇔ f<g\log_a f>\log_a g\ \Leftrightarrow\ f<g. Luego cruza con el dominio: f>0f>0, g>0g>0.
Me gusta axa^x, la sucursal0<a<10<a<1 revierte la desigualdad
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