Fungsi f dinyatakan f(x) = 3x +5.Hasil dari f(2b - 3) afalah....

f(x) = 3x + 5
maka,
f(2b -3) = 3(2b -3) + 5
f(2b -3) = 6b - 9 + 5
f(2b -3) = 6b - 4

f (x)= 3x+5
f (2b-3)= 3 (2b-3)+5
=6b-9+5
=6b-4