Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.

A. function
domain: {x|x > 0}
range: all real numbers
intercept: (1, 0)
symmetry: none
B. function
domain: all real numbers
range: {y|y > 0}
intercept: (1, 0)
symmetry: none
C. function
domain: {x|x > 0}
range: all real numbers
intercept: (0, 1)
symmetry: origin
D. not a function


Answer: A

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