Quiz By : Uruha Rushia
f(x) = 5x + 2x × 10x
f(3) = ...
• Pakai cara
• Tidak mengasal
• Lengkap
• Rapi menuju Brainliest
f(x) = 5x + 2x × 10x
f(3) = ...
• Pakai cara
• Tidak mengasal
• Lengkap
• Rapi menuju Brainliest
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Jawaban:
195
Penjelasan dengan langkah-langkah:
f(x) = 5x + 2x . 10x
f(x) = 5x + 2 . 10 x²
f(x) = 5x + 20x²
f(x) = 20x² + 5x
20 x 3² + 5 x 3
20 x 9 + 15
180 + 15
195
f(x) = 5x + 2x × 10x
f(3) = 5(3) + 2(3) × 10(3)
= 15 + 6 × 30
= 195