16BrainyFizz
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Which one of the given equations does not represent a function?

a) 2 - x = x - y
b) 2[tex]x^{4}[/tex] + 4 = [tex]\sqrt{y + 2}[/tex]
c) y = -2[tex]x^{2}[/tex] + 16x + 34
d) x - [tex]y^{2}[/tex] = 13

Respuesta :

oscar236

Answer:

d. x - y^2 = 13

Step-by-step explanation:

This is a parabola which is symmetrical about the x axis so will not pass the vertical line test for a function.

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