Convex functions

1. Mar 26, 2012

russel.arnold

let f(X) : Rn --> R be a function defined on convex set S s.t S is a subset of
Rn (real space n-dim). Let f is positive throughout. Then define g(x) = (f(x))^2. Prove that if f(x) is convex then g(x) is also convex.

2. Mar 26, 2012

SW VandeCarr

This needs to be posted in the Calculus and Beyond Homework forum with your attempt at a solution.