fungsi f dinyatakan dengan rumus g(x)=8-5x. jika g(p)=23 dan g(2)=q,maka nilai p tambah q adalah

Bab Relasi dan Fungsi

g(p) = 8 - 5p
23 = 8 - 5p
5p = 8 - 23
p = -15/5
p = -3

g(2) = 8 - 5(2)
q = 8 - 10
q = -2

p + q
= -3 + (-2)
= -5

g(x) = 8 - 5x
g(p) = 8-5p
23 - 8 = -5p
15 / (-5) = p
-3 = p

g(x) = 8-5x
g(2) = 8 - 5(2)
q = -2

p + q
-3 + (-2)
-5