Question

o valor minimo da funçao real f(x)=x2+x+1 e

Answer 1

Explicação passo-a-passo:

$\sf y_V=\dfrac{-\Delta}{4a}$

$\sf \Delta=1^2-4\cdot1\cdot1$

$\sf \Delta=1-4$

$\sf \Delta=-3$

$\sf y_V=\dfrac{-(-3)}{4\cdot1}$

$\sf \red{y_V=\dfrac{3}{4}}$