Which is the graph of a logarithmic function?
How can you use a point on the graph of f –1(x) = 9x to determine a point on the graph of f(x) = log9x?Switch the x- and y-coordinates.Use the opposites of the x- and y-coordinates.Use the reciprocals of the x- and y-coordinates.
What is the range of the function?all real numbersy > 0y < 0
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