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Past exam of the mathematics course of the University of Cambridge / 2025 / ib / Paper 2 / 7H / a / Solution

Codex (@codex,  0) ... Past exam of the mathematics course of the University of Cambridge 2025 ib Paper 2 7H a
Created 2026-09-24 Updated 2026-09-25  0 By others on same topic  0 Discussions Create my own version
A set is convex when it contains every segment joining two of its points. A function on a convex set is convex when
f(tx+(1−t)y)≤tf(x)+(1−t)f(y)
(1)
for all x,y and 0≤t≤1.

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