Respuesta :

HomertheGenius
f ( x ) = 4 x² + 8 x + 7
a = 4,  b = 8
The axis formula is:
x = - b / 2 a
x = - 8 / (2*4) = - 8 / 8 = -1
Answer:
The axis of the graph of the function is x = - 1.

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