Penjelasan dengan langkah-langkah:
FUNGSI KUADRAT
f(x) = –4x² – 6x + 9
tipot y → x = 0
f(0) = –4(0)² – 6(0) + 9
y = 0 – 0 + 9
titik potong y
x = 0
f(x) = - 4x² - 6x + 9, Substitusi x
f(0) = -4(0)² - 6(0) + 9
= -4(0) - 0 + 9
= 0 + 0 + 9
= 9
Jadi, tipot sb y di titik (0, 9)
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Penjelasan dengan langkah-langkah:
FUNGSI KUADRAT
f(x) = –4x² – 6x + 9
tipot y → x = 0
f(0) = –4(0)² – 6(0) + 9
y = 0 – 0 + 9
y = 9 ✔
Penjelasan dengan langkah-langkah:
titik potong y
x = 0
f(x) = - 4x² - 6x + 9, Substitusi x
f(0) = -4(0)² - 6(0) + 9
= -4(0) - 0 + 9
= 0 + 0 + 9
= 9
Jadi, tipot sb y di titik (0, 9)