tolong di jawab ya kak beserta caranya makasih

F(x) = px+q
F(2) =2p+q
7=2p+q

F(x)=px+q
F(4)=4p+q
11=4p+q

Eliminasi:
2p+q=7
4p+q=11

Dikurang

Jadi, -2p=-4
p=2
2p+q=7
2x2+q=7
4+q=7
q=3

F(x) = px+q
F(a)=pa+q
19=2a+3
2a=16
a=8 ✔️

F(x) = px+q
F(b)=pb+q
27=2b+3
2b=24
b=12✔️