Fungsi f(x)=ax+b,f(1)=-1dan f(-3)=19 tentukan nilai a dan b

F(x) = ax + b
*F(1) = a.1 + b
-1. = a + b

*F(-3) = a.-3 + b
19. = -3a + b

Nilai a
-1 = a + b
19= -3a+ b
_________-
-20= 4a
-20
___ = a
4
-5 = a

Nilai b
-1 = -5 + b
-1 + 5 = b
4 = b

Semoga bermanfaat
Maaf kalo salah


4