
INVERS FUNGSI
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Salahuddin Ayub
Used 3+ times
FREE Resource
4 Slides • 7 Questions
1
INVERS FUNGSI
By Salahuddin Ayub
2
Poll
Kenalkah dengan invers ?
Kenal
Tidak
Lupa
Ragu
3
1. Menjelaskan definisi invers suatu fungsi
2. Menemukan sifat invers suatu fungsi
3. Menjelaskan definisi invers
4. Menyelesaikan masalah kontekstual yang berkaitan dengan invers suatu fungsi
5. Menyelesaikan masalah kontekstual yang berkaitan dengan invers suatu fungsi
TUJUAN PEMBELAJARAN
Some text here about the topic of discussion
4
Fungsi Invers adalah suatu fungsi yang berkebalikan dari fungsi asalnya. Pada umumnya, invers fungsi dinyatakan dengan lambang f^(-1)
Some text here about the topic of discussion.
PENGERTIAN INVERS FUNGSI
5
Ada 3 tahapan untuk menentukan fungsi invers, yaitu:
Some text here about the topic of discussion
Ubah bentuk y = f(x) menjadi bentuk x = f(y).
Tuliskan x sebagai f-1(y) sehingga f-1(y) = f(y).
Ganti variabel y dengan x sehingga didapatkan rumus fungsi invers f-1(x)
6
Multiple Choice
Jika f(x) = 2x – 6 maka f-1(x) = …
1/2 x – 3
1/2 x + 3
-1/2x – 3
-1/2x + 3
7
Multiple Choice
Jika f(x) = 5 – 1/3x maka f-1(x) = …
-1
0
1
2
8
Multiple Choice
Adapun invers didefinisikan sebagai f(x) = (x – 3) / (2x + 5), x ≠ – 5/2 dan f-1(x) ialah merupakan invers dari fungsi f(x). Rumus dari f-1(x) ialah…
(5x + 3) / (1 – 2x)
(5x – 3) / (1 – 2x)
(5x + 3) / (2x + 1)
(2x + 3) / (5x + 5)
9
Multiple Choice
Diketahui f(x) = (5x – 5) / (x – 5), invers fungsi f(x) adalah f-1(x) = …
(x – 5) / (5x – 5)
(x + 5) / (5x – 5)
(5x – 1) / (5x – 5)
(5x – 5) / (x – 5)
10
Multiple Choice
Apabila di ketahui f(x) = x3 – 8 jadi f-1(x) = …
3√(x – 8)
3√(x + 8)
3√x + 8
8 – 3√x
11
Open Ended
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INVERS FUNGSI
By Salahuddin Ayub
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