Using a nested if statement to program two-state behavior in an object is considered a best practice.

The post order traversal of the following tree is

a. 1, 2, 3, 4, 5, 6, 7, 8, 9
b. 6, 2, 1, 4, 3, 5, 8, 7, 9
c. 6, 2, 8, 1, 4, 7, 9, 3, 5
d. 1, 3, 5, 4, 2, 7, 9, 8, 6

The pointAt() method has two parameters.

Answer the following statement true (T) or false (F)