Graphs That Don T Represent A Function. If you extend the graph of x every x value will only have one y value so it is a function. If an algebraic equation de.
X 7 g. Yes because the vertical line test shows there are no repeating input values. The third graph does not represent a function because at most x values a vertical line would intersect the graph at more than one point as shown in figure pageindex 13.
Y x 2 h.
Y 5 x 2 i. Does the graph represent a function. Since the graph intersects the vertical line y axis at two points it is not a function. Y x b.
