Diket g ( x) = mx + n. Jika g(2) = 1 & g (3)= -1, nilai m dan n bberturut - turut adalah...

g(2) = 2m + n = 1
g(3) = 3m + n = -1

eliminasi n
-m = 2
m = -2

subtitusi m
2m + n = 1
2(-2) + n = 1
-4 + n = 1
n = 1 + 4
n = 5