f(x)=ax+b.jika f(-1)= -8 dan f(2)=13,nilai f(5)adalah

semoga membantu yaaaaa

F(x)=ax+b
F(-1)=-8
F(2)=13
F(5)=?
Subtitusi:
-8=-1a+b
13=2a+b
a=7

-8=-1 (7) +b
=-7+b
b=-1
F(5)=ax+b
=7(5)+-1
=34