Question

obtenha o vertice da função
$f(x) = ( - 2x) {}^{2} + 4x + 1$
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Answer 1

f(x)= (-2x)²+4x+1

f(x)=4x²+4x+1

Xv= -b/2a

Xv= -4/2×8

Xv= -4/16=-1/4