Final answer:
To find f(2), substitute 2 for n in the expression f(n) = 12n. The value of f(2) is 24 (option a).
Step-by-step explanation:
To find f(2), we substitute 2 for n in the expression f(n) = 12n.
f(2) = 12 imes 2
f(2) = 24
Therefore, the value of f(2) is 24 (option a).