Question: Define the composition function f:RnR such that f(x) =h(g(x)). Assume that h is nondecreasing. Prove that if h is convex and g is convex, then

Define the composition function f:RnR such that f(x) =h(g(x)). Assume that h is nondecreasing. Prove that if h is convex and g is convex, then f is convex.

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