diketahui g(x) = 2x-7/ax +8 dan x= -8/a. jika g(1) = -3 nilai a+ 2
Matematika
kima3
Pertanyaan
diketahui g(x) = 2x-7/ax +8 dan x= -8/a. jika g(1) = -3 nilai a+ 2
1 Jawaban
-
1. Jawaban AlfandyGulo
Mapel : Matematika
Kelas : 8
Bab : Relasi dan Fungsi
=======================
g(x) = 2x - 7/ax + 8
g(1) = -3
Ditanya → a + 2
Jawaban :
2x - 7/ax + 8 = -3
2(1) - 7 = -3[a(1) + 8)]
2 - 7 = -3a - 24
-5 + 24 = -3a
19 = -3a
19/-3 = a
Maka,
= a + 2
= -19/3 + 2
= -19/3 + 6/3
= -13/3
= -4 ⅓ ✔