Determine Whether the Graph Is That of a Function

Multiple Choice

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.
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A) function domain:
Range: all real numbers
Intercept: (1, 0) symmetry: none
B) function domain:
Range: all real numbers
Intercept: (0, 1) symmetry: origin
C) function domain: all real numbers
Range:
Intercept: (1, 0) symmetry: none
D) not a function