Jawaban:
tidak ada di pilihan
Penjelasan dengan langkah-langkah:
ARITMATIKA SOSIAL
misal, f(x) = 2x² – 100x
menentukan nilai x dengan menurunkan f(x) = 0
f'(x) = 0
4x – 100 = 0
4x = 100
x = 100
4
x = 25
keuntungan maksimum
= harga jual – biaya
= (x + 100)x – (2x² – 100x)
= x² + 100x – 2x² + 100x
= 200x – x²
= 200 × 25 – 25²
= 5.000 – 625
= 4.375 juta rupiah
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Jawaban:
tidak ada di pilihan
Penjelasan dengan langkah-langkah:
ARITMATIKA SOSIAL
misal, f(x) = 2x² – 100x
menentukan nilai x dengan menurunkan f(x) = 0
f'(x) = 0
4x – 100 = 0
4x = 100
x = 100
4
x = 25
keuntungan maksimum
= harga jual – biaya
= (x + 100)x – (2x² – 100x)
= x² + 100x – 2x² + 100x
= 200x – x²
= 200 × 25 – 25²
= 5.000 – 625
= 4.375 juta rupiah
= Rp. 4.375.000.000,00