jika f(x)=1 + ²log(x) maka f-1(x)= A.2× B.2x+1 C.2²x-1 D.2x-1 E.x²-1
Matematika
dendy07
Pertanyaan
jika f(x)=1 + ²log(x) maka f-1(x)=
A.2×
B.2x+1
C.2²x-1
D.2x-1
E.x²-1
A.2×
B.2x+1
C.2²x-1
D.2x-1
E.x²-1
1 Jawaban
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1. Jawaban Anonyme
Bab Fungsi
Matematika SMA Kelas X
f(x) = 1 + ²log x
y = 1 + ²log x
²log x = y - 1
x = 2^(y - 1)
f^-1 (x) = 2^(x - 1)