jika f(x) = 7x-2 maka f-1 ( x + 1 ) = ???
Matematika
Ikamahapitha
Pertanyaan
jika f(x) = 7x-2 maka f-1 ( x + 1 ) = ???
1 Jawaban
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1. Jawaban Anonyme
Bab Fungsi
Matematika SMA Kelas X
f(x) = 7x - 2
y = 7x - 2
y + 2 = 7x
x = (y + 2)/7
f^(-1) (x) = (x + 2)/7
f^(-1) (x + 1) = (x + 1 + 2)/7
f^(-1) (x + 1) = (x + 3)/7