Berapa interval x jika: 3^×-81 <0 ???
Matematika
Agungpranata11
Pertanyaan
Berapa interval x jika:
3^×-81 <0 ???
3^×-81 <0 ???
1 Jawaban
-
1. Jawaban ahreumlim
3^x - 81 < 0
3^x < 81
3^x < 3^4
⇔ x < 4