For the function

MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

For the function

y=\log_{\tfrac12}x

, which one of the following statements is correct? (a) Domain

(-\infty,\infty)

and the function is increasing (b) Domain

(0,\infty)

and the function is increasing (c) Domain

(0,\infty)

and the function is decreasing (d) Domain

(0,1)

and the function is decreasing