Titik balik fungsi f(x) =2(x+2)²+3 adalah.. Bantu jawab

2(x + 2)² + 3
= 2(x² + 4x + 4) + 3
= 2x² + 8x + 11
s simetris → x = -b/(2a)
x = -8/(2(2)) = -2
substitusi langsung pd f(x)
y = 2(-2 + 2)² + 3 = 0 + 3 = 3
titik (-2, 3)