Question

Tolong dibantu ya soalnya dikumpulin sekarang

Answer 1

F(x)= ax+b
f(-2)=-8
-8 = -2a+b...(1)
f(5)=13
13 = 5a+b
-8 = -2a+b...(2)
13 = 5a +b -
-21=-7a
-21/-7= -7a/-7
3 = a
-8 = -2a+b
-8 = -2(3) +b
-8+6 = b
-2 = b
a = 3
b = -2
bentuk fungsi:
f(x) = 3x-2
f(-6)= 3(-6)-2
= -18-2
= -20