(b) y 8 7 6 5 4 3 2 1 -8-7-6-5-4-3-2-1 1 2 3 4 5 6 7 8 -1 -2 -3 -4 -5 -6 -7 -8 function not a function domain [4, -?) range
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- A graph represents a function if any vertical line drawn through the graph intersects it at most once. - In the given graph, any vertical line will intersect the curve at most once, so it is a function. Show more…
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