Selesaikanlah Soal Matematika Invers Berikut

f(x) = 2x + 3 / 4-5x
y = 2x+3/4-5x
y(4-5x) = 2x+3
4y-5xy = 2x+3
2x + 5xy = 4y - 3
x(2+5y) = 4y-3
x = 4y-3 / 2+5y
f-¹(x) = 4x - 3 / 2+5x

f-¹(x+2)= 4x - 3 / 2+5x
misal
t = x + 2
x = t - 2
f-¹(x) = 4(t-2) - 3 / 2+5(t-2)
=4t-8-3 / 2+5t-10
=4t-11 / 5t-8

f-¹(x) = 4x - 11 / 5x-8
jawaban d