For the function defined only for

MATHEMATICS · Single correct · AoPS · Mathematics · Functions · Functions

Problem

For the function f(x)=1xf(x)=\dfrac{1}{x} defined only for x>0x>0, which one of the following correctly describes its range? (a) y≥0y\ge 0 (b) y≠0y\neq 0 (c) y>0y>0 (d) 0<y≤10<y\le 1

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