Question

Fungsi f(x) = px + q
jika f(1) = 1 dan f(3) = 9, maka nilai dari p + q =..

mohon pake caranya

Answer 1

Answer 2

Fungsi f(x) = px + q
f(1) = p+ q= 1  
f(3) = 3p+q= 9
-------------------------------- -
-2p = -8
p = 4

disubsitusiin

p+q=1
4+q=1
q= 1-4
q= -3

p + q = ..
4 + (-3) = 1

semoga membantu :) x