Question

Diketahui f (x) = px + q dengan f (-2)= 14 dan f(3) = -1 . Hitunglab nilai f (-4)

Answer 1

F(-2)=14
f(3)=-1

f(-2)=p(-2)+q --> 14=-2p+q
f(3)=p(3)+q --> -1=3p+q

lalu dikurangi maka,

15=-5p
p=-3