Dik fungsi f(x)=3x+5.jika f(m)=17 dan f(6)=n... Maka nilai m+n adalah

f(x) = 3x + 5

f(m) = 17
3m + 5 = 17
3m = 17 - 5
m = 12/3
m = 4

f(6) = n
3.6 + 5 = n
18 + 5 = n
n = 23

m + n = 4 + 23 = 27