Bantu Selesaikan Soal Matematika Invers Berikut Guys

f(x) = x-3 / 2x+5
y(2x+5)=x-3
2xy+5y=x-3
x - 2xy = 5y + 3
x(1-2y) = 5y+3
x = 5y+3 / 1-2y
f-¹(x) = 5x+3 / 1-2x
f-¹(1)=5(1)+3 / 1-2(1)
=5+3 / 1-2
=8/-1
=-8
opsi E