Iklan

Iklan

Pertanyaan

Diberikan f ( x ) = x 2 + 2 dan g ( x ) = x 2 − 2 . Hasil dari ( g ∘ f ) ( x ) − ( f ∘ g ) ( x ) = ....

Diberikan  dan . Hasil dari  

  1.   

  2.  

  3.  

  4.  

Iklan

S. Nur

Master Teacher

Jawaban terverifikasi

Iklan

Pembahasan

Pembahasan
lock

Diberikan dan . Dit : Kita cari masing2 komposisi fungsinya. maka : jadi, jawabannya

Diberikan  dan .

Dit :  

Kita cari masing2 komposisi fungsinya.

begin mathsize 14px style open parentheses g ring operator f close parentheses left parenthesis x right parenthesis equals g open parentheses f left parenthesis x right parenthesis close parentheses end style

               begin mathsize 14px style equals g open parentheses x squared plus 2 close parentheses equals open parentheses x squared plus 2 close parentheses squared minus 2 equals x to the power of 4 plus 4 x squared plus 4 minus 2 equals x to the power of 4 plus 4 x squared plus 2 end style

begin mathsize 14px style open parentheses f ring operator g close parentheses left parenthesis x right parenthesis equals f left parenthesis g left parenthesis x right parenthesis right parenthesis end style

              begin mathsize 14px style equals f left parenthesis g left parenthesis x right parenthesis right parenthesis equals f left parenthesis x squared minus 2 right parenthesis equals left parenthesis x squared minus 2 right parenthesis squared plus 2 equals x to the power of 4 minus 4 x squared plus 4 plus 2 equals x to the power of 4 minus 4 x squared plus 6 end style

maka :

begin mathsize 14px style open parentheses g ring operator f close parentheses left parenthesis x right parenthesis minus left parenthesis f ring operator g right parenthesis left parenthesis x right parenthesis equals left parenthesis x to the power of 4 plus 4 x squared plus 2 right parenthesis minus open parentheses x to the power of 4 minus 4 x squared plus 6 close parentheses equals 8 x squared minus 4 end style

jadi, jawabannya  

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Muhammad Adam Rayhan Nst

Bantu banget

Iklan

Iklan

Pertanyaan serupa

Misal f ( x ) = 4 x − 5 2 x + 3 ​ dan g ( x ) = 4 x − 2 5 x + 3 ​ tunjukkan bahwa ( f ∘ g ) ( x ) = ( g ∘ f ) ( x ) .

1

4.6

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia