Diketahui g(x)=3x+2 dan f(x)=2x-5tentukan(fog)^-1

•fog(x)
= 2(3x +2)-5
= 6x+4-5
=6x-1

•fog-1
= fog(x) = 6x-1
= y = 6x-1
= x = y-1
—
6
= fog^-1 = x-1
—
6