diketahui f(x) = 1-5x dan (fog)(x) = -4-25x. maka g(x-1) =

[tex]f( g(x)) = (fog)(x) \\ 1 - 5(g(x)) = - 4 - 25x \\ - 5(g(x)) = - 5 - 25x \\ g(x) = \frac{ - 5 - 25 x}{ - 5 } \\ g(x) = 1 + 5x \\ g(x - 1) = 1 + 5(x - 1) = 1 + 5x - 5 = 5x - 4[/tex]