dembones1 dembones1

21-05-2018
Mathematics

contestada

Describes the graph of the equation x = -2. Is the equation a function

A. Horizontal line; no

B. Horizontal line; yes

C. vertical line; no

D. Vertical line; yes

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altavistard altavistard

21-05-2018

Here there's only one variable: x. We are told that x = -2. Find -2 on the x-axis and draw a vertical line thru this point. That's it. Vertical line, NO, because when x=-2, more than one y-value is associated with it.

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