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The first three steps in writing f(x) = 40x + 5x2 in vertex form are shown. What is the function written in vertex form?

Respuesta :

Nerd21
f(x) = 5(x + 4) – 80
f(x) = 5(x + 8) – 80
f(x) = 5(x + 4)2 – 80
f(x) = 5(x + 8)2 – 80

Answer:

f(x) = 5 ( x +4)²-  80 in  vertex form

Step-by-step explanation:

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