Which of the following best describes the range of the function ?

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

Problem

Which of the following best describes the range of the function

y=\log_{1/2}(x)

? (a)

x>0

(b) All real numbers (c)

y<0

(d)

0<y<1