TMUA 2018 Paper 2 Q6 — Worked Solution

P2·Logic & Quantifiers, Differentiation·5.0Official · 2018 · Q6

counterexamplemonotone-increasingcubic

Which one of the following functions provides a counterexample to the statement:

if f^{'} (x) > 0 for all real x, then f (x) > 0 for all real x ?

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