f(x) = x! × x^3 - 5x
f(4)
f(4) = 4! × 4^3 - 5(4)
f(4) = (4 × 3 × 2 × 1) × (4 × 4 × 4) - 20
f(4) = (12 × 2 × 1) × (16 × 4) - 20
f(4) = (24 × 1) × 64 - 20
f(4) = 24 × 64 - 20
f(4) = 1.535 - 20
f(4) = 1.516
Jadi Hasilnya Adalah 1.516✔
..
f(x) = x! × x³ - 5x
f(4) = 4! × 4³ - 5.4
f(4) = (4.3.2.1) × (4.4.4) - (5.4)
f(4) = (12.2.1) × (16.4) - 20
f(4) = (24.2) × 64 - 20
f(x) = 24 × 64 - 20
f(x) = 1.536 - 20
f(x) = 1.516
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Soal :
f(x) = x! × x^3 - 5x
f(4)
Penyelesaian :
f(x) = x! × x^3 - 5x
f(4) = 4! × 4^3 - 5(4)
f(4) = (4 × 3 × 2 × 1) × (4 × 4 × 4) - 20
f(4) = (12 × 2 × 1) × (16 × 4) - 20
f(4) = (24 × 1) × 64 - 20
f(4) = 24 × 64 - 20
f(4) = 1.535 - 20
f(4) = 1.516
Kesimpulan :
Jadi Hasilnya Adalah 1.516✔
..
f(x) = x! × x³ - 5x
f(4) = 4! × 4³ - 5.4
f(4) = (4.3.2.1) × (4.4.4) - (5.4)
f(4) = (12.2.1) × (16.4) - 20
f(4) = (24.2) × 64 - 20
f(x) = 24 × 64 - 20
f(x) = 1.536 - 20
f(x) = 1.516
..
..