Question

Butuh yg nomer 5 ni kak. tolonginnnn pleasee :)

Answer 1

Ooo iya............ soalnya apa...?

Answer 2

F(x)=ax+b 
f(1)=a(1)+b=3
f(-3)=a(-3)+b=11

1a+b=3
-3a+b=11
--------------- -
4a      = -8
     a   = -2

1(-2)+b=3
-2+b=3
b=3+2
b=5

nilai a= -2
nilai b = 5