fungsi f(x) = 3x+9.jika f(k) = 33 ,maka nilai k adalah?

F(x) = 3x +9
f(k) = 3(k) +9 = 33
= 3k +9 = 33
= 3k = 33 -9
= 3k = 24
= k = 24/3
= k = 8
Jadi, nilai k adalah 8.
Itu jawabannya.

Source https://sebuahcatatan.live/as/catatanbrain/tugas/2138652