The function has

MATHEMATICS · Single correct · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

The function f(x)=e2x−4exf(x)=e^{2x}-4e^{x} has (a) a local minimum at x=0x=0 (b) a local minimum at x=ln⁡2x=\ln 2 (c) a local maximum at x=ln⁡2x=\ln 2 (d) a local minimum at x=ln⁡4x=\ln 4

Related theory

Browse the problem library