Iklan

Pertanyaan

Diketahui fungsi dan .Jika f⁻¹ adalah invers dari f, maka . Nilai dari k + p adalah….

Diketahui fungsi begin mathsize 14px style straight f open parentheses straight x close parentheses equals 2 to the power of 3 straight x minus 1 end exponent blank end styledan begin mathsize 14px style straight g open parentheses straight x close parentheses equals 4 open parentheses straight x plus 2 close parentheses cubed end style. Jika f⁻¹ adalah invers dari f, maka begin mathsize 14px style open parentheses straight f to the power of negative 1 end exponent og close parentheses open parentheses straight x close parentheses equals log presubscript blank presuperscript 2 invisible function application straight k open parentheses straight x plus straight p close parentheses end style. Nilai dari k + p adalah ….

  1. 2

  2. 3

  3. 4

  4. 5

  5. 6

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

00

:

07

:

18

:

07

Klaim

Iklan

D. Kamilia

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

nilai k + p = 4.

nilai k + p = 4.

Pembahasan

Invers dari f(x): sehingga Samakan dengan soal Didapat k = 2 dan p = 2 Jadi, nilai k + p = 4.

Invers dari f(x):

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight y equals cell 2 to the power of 3 straight x minus 1 end exponent end cell row cell log presubscript blank presuperscript 2 invisible function application straight y end cell equals cell 3 straight x minus 1 end cell row cell 1 third open parentheses log presubscript blank presuperscript 2 invisible function application straight y plus 1 close parentheses end cell equals straight x row cell straight f to the power of negative 1 end exponent open parentheses straight x close parentheses end cell equals cell 1 third open parentheses log presubscript blank presuperscript 2 invisible function application straight x plus 1 close parentheses end cell row blank blank blank end table end style 

sehingga

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses straight f to the power of negative 1 end exponent og close parentheses open parentheses straight x close parentheses end cell equals cell straight f to the power of negative 1 end exponent open parentheses straight g open parentheses straight x close parentheses close parentheses end cell row blank equals cell 1 third open parentheses log presubscript blank presuperscript 2 invisible function application 4 open parentheses straight x plus 2 close parentheses cubed plus 1 close parentheses end cell row blank equals cell 1 third open parentheses log presubscript blank presuperscript 2 invisible function application 4 plus log presubscript blank presuperscript 2 invisible function application open parentheses straight x plus 2 close parentheses cubed plus 1 close parentheses end cell row blank equals cell 1 third open parentheses 2 plus 3 log presubscript blank presuperscript 2 invisible function application open parentheses straight x plus 2 close parentheses plus 1 close parentheses end cell row blank equals cell 1 third open parentheses 3 plus 3 log presubscript blank presuperscript 2 invisible function application open parentheses straight x plus 2 close parentheses close parentheses end cell row blank equals cell 1 plus log presubscript blank presuperscript 2 invisible function application open parentheses straight x plus 2 close parentheses end cell row blank equals cell log presubscript blank presuperscript 2 invisible function application 2 plus log presubscript blank presuperscript 2 invisible function application open parentheses straight x plus 2 close parentheses end cell row blank equals cell log presubscript blank presuperscript 2 invisible function application 2 open parentheses straight x plus 2 close parentheses end cell end table end style 

Samakan dengan soal

begin mathsize 14px style log presubscript blank presuperscript 2 invisible function application straight k open parentheses straight x plus straight p close parentheses equals log presubscript blank presuperscript 2 invisible function application 2 open parentheses straight x plus 2 close parentheses end style 

Didapat k = 2 dan p = 2

Jadi, nilai k + p = 4.

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

1

Iklan

Pertanyaan serupa

Diketahui f ( x ) = 3 x − 6 dan g ( x + 2 ) = x 2 − 4 , maka nilai dari ( g ∘ f − 1 ) − 1 ( − 4 ) adalah ....

1

0.0

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