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Decide whether the set A of positive integers divisible by 17 and B the set of positive integers divisible by 11 are in bijection.
July 26th, 2022
elementary-set-theory
functions
The function $g$ is such that $g(x) = 3x^2 - 12$ for $x <q$, find the greatest possible value of $q$.
December 20th, 2022
functions
calculus
Is there an injective function from the set of natural numbers N to the set of rational numbers Q, and viceversa?
August 18th, 2022
functions
elementary-set-theory
How to prove if function is strictly monotonic increasing
August 16th, 2022
monotone-functions
functions
proving that f is bijection from NxNxN to N
July 23rd, 2022
discrete-mathematics
functions
Is [$x$] monotonically increasing?(where $[x]$ means greatest integer function)
July 23rd, 2022
functions
calculus
Differentiation of a modulus function
October 14th, 2022
derivatives
functions
How to prove a function is concave? (Single Variable)
July 22nd, 2022
convex-optimization
functions
Showing $\lim_{(x,y) \to (0,0)} \sin (xy) / xy = 1$
October 2nd, 2022
limits
functions
calculus
Area functions, Find a formula for A(x)
July 30th, 2022
area
calculus
functions
How to prove a relation is reflexive and transitive.
July 21st, 2022
relations
functions
The hat function
August 1st, 2022
functions
How to find a polynomial of least degree with some of its points given?
August 1st, 2022
functions
Proof of period of $f(ax+b)$
August 1st, 2022
algebra-precalculus
functions
Give a Bijection that is in-between 2 intervals and use a formal proof to show that it is a bijection.
April 3rd, 2020
functions
elementary-set-theory
discrete-mathematics
What is value of $f(1) + f(2) + f(3) + f(4) + f(5) + f(6)$?
November 11th, 2020
functions
Which function is an injection but NOT A SURJECTION
December 7th, 2020
functions
discrete-mathematics
how to find turning points of a quartic function using calculus?
August 1st, 2022
calculus
functions
derivatives
Show that the equation $f(x) = 0$ has no solution.
August 1st, 2022
derivatives
polynomials
functions
What is the domain and range of $y = \sqrt{9 − x^2}$?
June 26th, 2020
functions
Solving a problem using the definition of limit
July 11th, 2020
functions
limits
Calculate an interval on a scale / axis that allways has a point / gridline at $0$
November 5th, 2020
graphing-functions
geometry
functions
One-to-one and onto functions
August 1st, 2022
algebra-precalculus
functions
six is the maximum number of common chords of a parabola and a circle
August 1st, 2022
graphing-functions
functions
How do I find out the symmetry of a function?
August 1st, 2022
symmetric-functions
conformal-geometry
functions
complex-analysis
Don't understand this question [table of ordered pairs, find missing values]
October 14th, 2020
functions
Is a uniformly continuous functions bounded?
August 1st, 2022
limits
analysis
real-analysis
functions
many to one functions
March 25th, 2020
elementary-set-theory
functions
Can someone show me how to solve functions that include a set of ordered pairs? Im really stuck on this.
October 24th, 2020
functions
Prove a function is a norm?
January 25th, 2020
functions
normed-spaces
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