Which of the Following Statements Is True For $y = 9 ^ { x }$

Multiple Choice

Which of the following statements is true for $y = 9 ^ { x }$ ?

A) The graph of $y = 9 ^ { x }$ is an increasing function.
B) The y -axis is a horizontal asymptote of the graph.
C) The range is all real numbers.
D) (1, 0) is a point of the graph of $y = 9 ^ { x }$ .