Given the function f (x) = | x | + 1, we study the continuity and differentiability of F (x) at x = 0

Given the function f (x) = | x | + 1, we study the continuity and differentiability of F (x) at x = 0


In x = 0, f (0) = | 0 | + 1 = 1, LIM (x → 0 -) f (x) = LIM (x → 0 -) (- x + 1) = 1, LIM (x → 0 +) f (x) = LIM (x → 0 -) (- x + 1) = 1, LIM (x → 0 +) f (x) = LIM (x → 0 +) (x + 1) = 1, left limit = right limit = function value