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2 answers:
Answer:
Parabola Graph (top-right)
Step-by-step explanation:
A graph represents a <u>function</u> given that none of the x-coordinates have more than one corresponding y-coordinates. Consequently, if a graph contains two or more different points with the same x-coordinate, then that graph does not represent a function.
An easier way of finding out whether a graph represents a function is through the vertical line test. In order to perform the vertical-line test, imagine dragging a ruler held vertically across the graph from left to right. A graph is a function if the edge of the ruler crosses the graph only once for every x -value.
Out of all the given options, the graph of an <u>upward-facing parabola </u>represents a function (top-right graph), as each vertical line contains only one point. Please see the attachment, where I performed the vertical line test.
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