Penjelasan dengan langkah-langkah:
f(x)=x²-6x+8
x = -b/2a
x = -(-6)/2(1)
x = 6/2
x = 3
y = (3)² - 6(3) + 8
y = 9 - 18 + 8
y = -1
{y | y ≥ -1} (A)
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Penjelasan dengan langkah-langkah:
f(x)=x²-6x+8
x = -b/2a
x = -(-6)/2(1)
x = 6/2
x = 3
y = (3)² - 6(3) + 8
y = 9 - 18 + 8
y = -1
{y | y ≥ -1} (A)