Question

diketahui f (x) = 1/2 x +3
ditanyan f invers (x)

Answer 1

F(x) = 1/2 x + 3
misal f(x) = y
y = 1/2 x + 3
y - 3 = 1/2 x
x = 2(y - 3)
y = 2(y - 3)
x = 2(x - 3) = 2x - 6

Answer 2

Infernya f (x) = 1/2 x +3
                y = 1/2x + 3
           y - 3 = 1/2 x
          2y - 6 = x

karena x = y jadi infers f(x) = 2x - 6