
Grade 11IIT JEE Entrance Exam
An even function f(x) has left derivative 5 at x = 0. Then
(A) the right derivative of f(x) at x = 0 need not exist
(B) the right derivative of f(x) at x = 0 exists and is equal to 5
(C) the right derivative of f(x) at x = 0 exists and is equal to -5
(D) none of the above is necessarily true
An even function f(x) has left derivative 5 at x = 0. Then
(A) the right derivative of f(x) at x = 0 need not exist
(B) the right derivative of f(x) at x = 0 exists and is equal to 5
(C) the right derivative of f(x) at x = 0 exists and is equal to -5
(D) none of the above is necessarily true
(A) the right derivative of f(x) at x = 0 need not exist
(B) the right derivative of f(x) at x = 0 exists and is equal to 5
(C) the right derivative of f(x) at x = 0 exists and is equal to -5
(D) none of the above is necessarily true





