We study the maximal additive, multiplicative and lattice-like families for the class of all extendable functions. This article is a continuation of earlier papers, in which the same questions concerning other Darboux-like functions have been studied.

**Requires rae.cls file.**

Older version of
**DVI,
TEX and
Postscript files** is available at the
**Topology Atlas**
preprints side.

**Last modified November 4, 1998.**