
TURUNAN FUNGSI ALJABAR
Presentation
•
Mathematics
•
11th Grade
•
Medium
ACHMAD MUJAHID
Used 27+ times
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15 Slides • 4 Questions
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TURUNAN FUNGSI ALJABAR
by ACHMAD MUJAHID
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TUJUAN
Peserta didik dapat memecahkan masalah hari-hari yang berkaitan dengan turunan.
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Apakah anda tahu .....
Apa yang dimaksud turunan?
Bila y = f(x) adalah suatu fungsi maka turunan pertam dari y = f(x) yang dinotasikan dengan dy/dx atau y’ atau f’ (x)
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MATERI
APA ITU TURUNAN fUNGSI ALJABAR
Turunan fungsi aljabar disebut dengan diferensial adalah fungsi baru hasil penurunan pangkat dari fungsi sebelumnya menurut aturan yang telah ditetapkan. Jika diimplementasikan di dalam grafik fungsi, turunan ini merupakan gradien garis singgung terhadap grafik di titik tertentu.
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Notasi turunan fungsi aljabar seperti berikut:
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Rumus TFA
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Contoh
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Jawab
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Contoh
Tentukan turunan pertama dari
f(x) = (3x – 2)(5x + 7)
Cara menjawabnya kita lihat rumus 4 yaitu
f(x) = u.v turunannya f’(x) = u’v + uv’
Jawab
Diketahui
u = 3x – 2 -------- u’ = 3
v = 5x + 7 -------- v’ = 5
Rumus f’(x) = u’v + uv’
maka
f’(x) = 3(5x + 7) + (3x – 2)5
f’(x) = 15x + 21 + 15x – 10
f’(x) = 30x + 11
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Cara lain
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Contoh
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Multiple Choice
Nilai dari x4 + 2x3 − 7x2 −8 adalah....
4x4+6x2−14x−8
4x3−6x2−14x−8
4x3+6x2−14x
5x4+6x2+14x
x4−2x2−14x
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Multiple Choice
Turunan fungsi f(x)=x−42x+1
(x−4)2−7
(x−4)27
(x−4)2−9
(x−4)29
(x−4)2−10
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Multiple Choice
y=(x2−1)(x3+3) Turunan pertama dari adalah ....
x5−x3+3x2−3
5x4+3x2+6x
5x4−3x2+6x
5x4−3x2−6x
x4−x2+x
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Multiple Choice
Turunan pertama dari f(x) = 21x4+32x3−4x +1 adalah f ’(x) = .…
x3+x2–2
x3+2x2–4
2x3+2x2–4
2x3+2x2–4x
2x3+2x2–4x+1
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Terimakasih
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TURUNAN FUNGSI ALJABAR
by ACHMAD MUJAHID
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