The domain of the function is

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

Problem

The domain of the function f(x)=[log⁡10(5x−x24)]1/2f(x)=\left[\log_{10}\left(\frac{5x-x^2}{4}\right)\right]^{1/2} is (a) −∞<x<∞-\infty<x<\infty (b) 1≤x≤41\leq x\leq4 (c) 4≤x≤164\leq x\leq16 (d) −1≤x≤1-1\leq x\leq1

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