Britte
brittany said that if a vertical line passes through two or more points on the graph
wo or more points on the graph of a relation, the
tion cannot be a function. was she right? why or why not?
a. no, a vertical line will pass through two points on the graph of a circle, yet a circle is a function.
ii a vertical line passes through two or more points on the graph, the points must have two or
more different y-coordinates for the same x-coordinate.
c. no, this test is valid only if the graph is a line.
d. yes, if a vertical line passes through two or more points on the graph, the points must have two or
more different x-coordinates for the same y-coordinate.
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