Q.
f(x) = x² – 2x + 3
f(3) = ?
Note:
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f(x) = x² – 2x + 3
f(3) = ?
Note:
Tadi di sekolah disuruh buat 'Invitation birthday card', gak tau nanti hasilnya gimana. Disuruh ngelanjutin lagi di sekolah.
« Pakai cara!!
« No ngasal!!
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f(x) = x² - 2x + 3
f(3) = 3² - 2(3) + 3
f(3) = (3 × 3) - 2(3) + 3
f(3) = (3 + 3 + 3) - 2(3) + 3
f(3) = (6 + 3) - 2(3) + 3
f(3) = 9 - 2(3) + 3
f(3) = 9 - (2 × 3) + 3
f(3) = 9 - (2 + 2 + 2) + 3
f(3) = 9 - (4 + 2) + 3
f(3) = 9 - 6 + 3
f(3) = 3 + 3
f(3) = 6
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Jawaban:
9
Penjelasan dengan langkah-langkah:
f(x) = x² - 2x + 3
f(3) = 3² - (2.3) + 3
f(3) = 9 - 6 + 3
f(3) = 3 + 3
f(3) = 6
✅ ANSWER BY : CHRISBLACX
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