tentukan nilai a dari fungsi g(x) = 7x + 8 jika diketahui g(a) = -27!

Materi Fungsi [tex] g(x) = 7x + 8 \\ g(a) = 7a + 8 \\ -27 = 7a + 8 \\ -27 - 8 = 7a \\ -35 = 7a \\ \boxed{a = -35 : 7 = -5} [/tex]

g(x)=7x+8
g(a)=7a +8= -27

7a+8=-27
7a=-27-8
7a=-35
a=-35/7
a=-5