Answer:
f(2) = 729
Step-by-step explanation:
f(x) = 3^(x + 4)
Let x =2
f(2) = 3^(2 + 4)
f(2) = 3^(6)
circumference is 2(pi)r
r = 36
2(3.14)(36) = 226.08
B
hope this helps:)