How many continuous functions are differentiable?
30590
Are "most" continuous functions also differentiable?
86860
Continuity of differentiable function $x^2\sin(1/x)$
85623
Proof of continuity implied by differentiability
129716
Let $f$ be continuous on $ [a,b]$, differentiable on $ (a,b) $ and $ f(x) \neq 0 \forall x \in (a,b) $ Prove $ \exists c \in (a,b) $ such that
87819
What is the difference between continuous derivative and derivative?
6417
Can a function be differentiable at the end points of its (closed interval) domain?
114691
Why can't differentiability be generalized as nicely as continuity?
147758
Differentiable but not continuously differentiable.
27265
Continuously differentiable map from $\mathbb{R}^{m+n}$ to $\mathbb{R}^n$
17348
Number of non-decreasing functions?
83983
Why don't we prove that functions used in physics are continuous and differentiable?
120947
continuous real-valued function
40429
Differentiability of this picewise function
66560
Is a differentiable function always continuous?
90745
Why aren’t continuous functions defined the other way around?
148737
Is $|xy|$ differentiable in $(0,0)$?
76009
Can a continuous function from the reals to the reals assume each value an even number of times?