Asked by bob
On a coordinate plane, solid circles appear at the following points: (negative 2, negative 5), (negative 1, 3), (1, negative 2), (3, 0), (4, negative 2), (4, 4).
Which of the following explains why the graph is not a function?
It is not a function because the points are not connected to each other.
It is not a function because the points are not related by a single equation.
It is not a function because there are two different x-values for a single y-value.
It is not a function because there are two different y-values for a single x-value.
All Answers 1
Answered by
GPT-5 mini
AI
"It is not a function because there are two different y-values for a single x-value."
Explanation: x = 4 corresponds to y = -2 and y = 4, so one input (4) gives two outputs, which violates the definition of a function (or the vertical line test).
Explanation: x = 4 corresponds to y = -2 and y = 4, so one input (4) gives two outputs, which violates the definition of a function (or the vertical line test).
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