Question

Diketahui f(x)=ax+b, jika f(1)= -3 dan f(0)= -1,, tentukan:
•nilai a&b
•bentuk fungsinya

Answer 1

(a) f(x) =ax+b
a(1-0) = -3-(-1)
a(1) =-3+1
a =-2
f(0) =a(0) +b =-1
b =-1
(b) f(x) =-2x-1