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Which functions have an axis of symmetry of x = –2? Check all that apply.

f(x) = x2 + 4x + 3
f(x) = x2 – 4x – 5
f(x) = x2 + 6x + 2
f(x) = –2x2 – 8x + 1
f(x) = –2x2 + 8x – 2

Respuesta :

SophiaLouise

Answer:

The answers are f(x) = x2 + 4x + 3  and f(x) = –2x2 – 8x + 1

Step-by-step explanation:

i did it on edge

805227

Answer:

f(x) = x^2 + 4x + 3

f(x) = -2x^2 - 8x + 1

Step-by-step explanation:

The first one and the fourth one.

Also, you can use a graphing calculator and see if the vertex is at -2 on the x-axis.

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