Answer available
Class 11 · Mathematics · Relations and Functions
If A = {1, 2} and B = {a, b}, write A × B and state the number of relations from A to B.
2 marksEasyNumerical
ICSE question bank
Every question in the vault, filterable by class, subject, chapter, topic, year, marks, difficulty, type and source. The filters live in the URL, so any view you build can be shared.
7 questions
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain and range of f(x) = x2 + 1 for real x.
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
If A has 3 elements and B has 4, how many relations and how many functions are there from A to B?
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain and range of the function f(x) = 1/(x − 3).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain of f(x) = √(x − 4).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
If f(x) = 2x + 3 and g(x) = x2, find (f ∘ g)(2) and (g ∘ f)(2).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Distinguish between a relation and a function.
3 marksMediumShort answer