[tex]f(x - 2) = \frac{2x + 1}{3}[/tex] Nilai f(5) sama dengan

f(x - 2) = (2x + 1)/3

f(x) = [(2(x + 2) + 1)/3]
f(x) = (2x + 4 + 1)/3
f(x) = 2x + 5/3

Maka,
f(5) = 2(5) + 5/3
f(5) = 10 + 5/3
f(5) = 15/3
f(5) = 5