(A):Displacement can decrease with time,but distance can never decrease with time.
(R ):Distance can be many valued function ,but displacement can be single valued function.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. Both (A) and (R) are false

Answer

B