diketahui fungsi f(x) =mx+n jika diketahui f(2)=-1 dan f (3)=2 tentukan nilai m dan n

f(x) = mx + n
f(2) = m(2) + n = - 1
f(3) = m(3) + n = 2

..
2m + n = - 1
3m + n = 2
--------------- --
- m = - 3
m = 3

2m + n = - 1
2(3) + n = - 1
6 + n = - 1
n = - 1 - 6
n = - 7

jadi nilai m = 3 dan n = - 7