QUIZ #61
Materi: Fungsi
Jika diketahui f(x) = 3x² - 1, tentukan nilai dari f(1), f(2), dan f(4) !
Materi: Fungsi
Jika diketahui f(x) = 3x² - 1, tentukan nilai dari f(1), f(2), dan f(4) !
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Verified answer
Materi : Fungsi dan Relasi
f(x) = 3x² - 1
---
f(1) = 3(1)² - 1
f(1) = 3(1) - 1
f(1) = 3 - 1
f(1) = 2
---
f(2) = 3(2)² - 1
f(2) = 3(4) - 1
f(2) = 12 - 1
f(2) = 11
---
f(4) = 3(4)² - 1
f(4) = 3(16) - 1
f(4) = 48 - 1
f(4) = 47
---
Semoga bisa membantu
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Jawaban:
f(1) = 2
f(2) = 11
f(4) = 47
Penjelasan dengan langkah-langkah:
f(x) = 3x² - 1
f(1) = 3(1)² - 1
= 3 -1
= 2.
f(2) = 3(2)² - 1
= 3(4) - 1
= 12 - 1
= 11.
f(4) = 3(4)² - 1
= 3(16) - 1
= 48 - 1
= 47.