pada fungsi g : x ➡1/3 (x+4), jika g(a) = - 2,maka nilai a =

Bab Fungsi
Matematika SMP Kelas VIII

g(x) = (1/3) (x + 4)

g(a) = -2
(1/3) . (a + 4) = -2
a + 4 = -2 . 3
a + 4 = -6
a = -6 - 4
a = -10

Mapel       : Matematika
Kategori   : Fungsi
Kelas        : SMP / MTs kelas VIII
Semester : Genap


Pembahasan:
[tex]g(x) = \frac{1}{3}(x + 4)[/tex]

[tex]g(a) = -2[/tex]
[tex] \frac{1}{3} (a + 4) = -2[/tex]
[tex]a + 4 = -2 (3)[/tex]
[tex]a + 4 = -6 [/tex]
[tex]a = -6 - 4[/tex]
[tex]a = -10[/tex]