Quantcast
Channel: Active questions tagged real-analysis - Mathematics Stack Exchange
Viewing all articles
Browse latest Browse all 8524

Supremum of a function with power

$
0
0

Is it true that for a function $f(x): \mathbb{R} \to [0,\infty)$ it holds$$\sup[f(x)^a] \leq [\sup(f(x))]^a $$for $a \in (-\infty,+\infty)$?


Viewing all articles
Browse latest Browse all 8524

Trending Articles



<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>