f(x)=5x+3 dan f-1(-2)
Matematika
fira909
Pertanyaan
f(x)=5x+3 dan f-1(-2)
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Fungsi Komposisi
f(x) = 5x + 3
y = 5x + 3
5x = y - 3
x = (y - 3)/5
f^-1 (x) = (x - 3)/5
f^-1 (-2) = (-2 - 3)/5
f^-1 (-2) = -1