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18-05-2020
Mathematics

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Which function has a vertex at (2, -9)?

f(x) = -(x - 3)2
f(x) = (x + 8)
f(x) = (x - 5)(x + 1)
f(x) = -(x - 1)(x - 5)

Respuesta :

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18-05-2020

Answer:

C

Step-by-step explanation:

The first two are not parabola at all and the last one when graphed gives you a vertex of (3,9). The correct answer that gives you the vertex if (2,-9).

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