ASAP plz
If f(x) varies directly with x2, and f(x) = 72 when x = 6, find the value of f(3).
A18
B108
C36
D54
If f(x) varies directly with x2, and f(x) = 72 when x = 6, find the value of f(3).
A18
B108
C36
D54