Jika operasi simbol # didefinisikan sebagai x # y = (2x + y) / (x - y), berapakah nilai dari 5 # 3?

Answer and explanation

Correct answer: B. 6,5

Substitusi x = 5 dan y = 3: 5 # 3 = [2(5) + 3] / (5 - 3) = (10 + 3) / 2 = 13 / 2 = 6,5.

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