yg ini gimana ya kaak tolong yaa hehehe maakasiiihh kaak

f(3) = 3m+ n = 3
f(1) = 1m + n = -1

3m + n = 3
1 m + n = -1

di kurangi hasilnya 2m = 4
disederhanain jadi m = 2

jadi 3X2 + n = 3
n = 3-6
n = -3

f(0) = mx+n
= 2.0 + -3
= -3