A continuous function on the real line such that the preimage of every point is either empty of has exactly 3 points
26169
Function $f: \mathbb{R} \to \mathbb{R}$ that takes each value in $\mathbb{R}$ three times
101319
Properties of a continuous map $f : \mathbb{R}^2\rightarrow \mathbb{R}$ with only finitely many zeroes
2142
Finding a set of continuous functions with a certain property 2
137883
Cardinality of the set of all (real) discontinuous functions
10747
Given function $g$ continuous in line $[0,\infty)$...
12003
Cardinality of set of real continuous functions
77323
Existence of continuous angle function $\theta:S^1\to\mathbb{R}$
94899
Graph of a continuous function has measure zero
133696
Example of a function continuous at only one point.
75882
Countability of local maxima on continuous real-valued functions
46834
show that a distance function is continuous
103241
A function that is continuous at the origin but not differentiable there
99179
Continuous function with compact domain has continuous inverse
108997
Continuous functions that attain local extrema at every point
15914
Prove that any polynomial function is continuous
132223
Function whose image of every open interval is $(-\infty,\infty)$
92734
Existence of a sequence of continuous functions convergent pointwise to the indicator function of irrational numbers