f(x)=-2-3x/2, maka f^-1=

f(-1) = -2-3(-1)/2
= -5(-1)/2
= -6/2
= -3

invers??

f(x) = -2 -3x/2
y + 2 = -3x/2
2(y+2) = -3x
2(y+2)/-3 = x

jadi, f^-1(x) = x
= 2(x+2)/-3
*karna f^-1(x) yg ditanyany, jd cukup ubah y jd x