URGENTE!! 1) Dado o conjunto A = { – 5, – 3, – 2 , 0, 5, 7, 13, 25}, complete com E se o elemento pertence a A ou NE se

URGENTE!!
1) Dado o conjunto A = { – 5, – 3, – 2 , 0, 5, 7, 13, 25}, complete com E se o elemento
pertence a A ou NE se o elemento não pertence a A.
a) – 4 A
b) 0 A
c) 7 A
d) – 2 A
e) 13 A

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This Post Has 4 Comments

  1. mrbilldoesmath!

    answer: a parabola

    steps:

    (x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                    = x^2 +4x -x -4   = x^2 +3x -4

    which is a parabola

    mrb

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