Which one of the following correctly describes the graph of when ?

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

Problem

Which one of the following correctly describes the graph of y=log⁡axy=\log_a x when 0<a<10<a<1? (a) Passes through (1,0)(1,0), increases, and is concave downward (b) Passes through (1,0)(1,0), decreases, and is concave upward (c) Passes through (0,1)(0,1), decreases, and is concave upward (d) Passes through (1,0)(1,0), decreases, and is concave downward

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