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Nonlinear functions SAT question

Math · Advanced Math · Easy · Answer it here, explanation included.

What is the $y$ -intercept of the graph shown?

ExplanationShow

Choice B is correct. The y-intercept of a graph in the xy-plane is the point $(x, y)$ on the graph where $x = 0$ . At $x = 0$ , the corresponding value of $y$ is $- 5$ . Therefore, the y-intercept of the graph shown is $(0, - 5)$ .

Choice A is incorrect and may result from conceptual errors.

Choice C is incorrect. This is the y-intercept of a graph in the xy-plane that intersects the y-axis at $y = - 4$ , not $y = - 5$ .

Choice D is incorrect. This is the y-intercept of a graph in the xy-plane that intersects the y-axis at $y = 0$ , not $y = - 5$ .

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