Function f gives the distance of a dog from a post, in feet, as a function of time, t, in seconds, since its owner left.

Which of the following statements in function notation are true about this situation? Select all that apply.
A)ƒ (0) B)ƒ (100) > f (60)
C)f (20) > f (45)
D)f (22)= f (38)
E)ƒ (20) = 3.1