Explain How the Graph of Can Be Obtained from the Graph

Multiple Choice

Explain how the graph of can be obtained from the graph o
-What is the range of the function $y = \log _ { 9 } x$ ?

A) $( 9 , \infty )$
B) $( 0 , \infty )$
C) $( \infty , \infty )$
D) $[ 0 , \infty )$