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Please help me with this homework equation

I don’t understand and need help someone please do step by step

Please help me with this homework equation I dont understand and need help someone please do step by step class=

Respuesta :

Drpick

Step-by-step explanation:

f'(x) = 6x-12

in vertex : f'(x) = 0

6x-12 =0 => x=2

f(2) = 3 ( 2² ) -12 (2 ) +1 = -11

vertex ( 2 , -11 )

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