Diketahui fungsi f (a) = 2-3a tentukan nilai a Jika f(a) = – 18 By Admin ReiPosted on October 28, 2022 Diketahui fungsi f (a) = 2-3a tentukan nilai a Jika f(a) = – 18 -18 = 2-3a-18-2 = -3a-20 = -3a-20/-3 = a20/3 = a