Example 1 and 2 class 12th Relations and functions

A function f given as f:{(2,7),(3,4),(7,9),(-1,6),(0,2),(5,3)} . Is this function one-one onto? Interchange the order of the elements in the ordered pairs and form the new relation. Is this relation a function? If it is a function, is it one-one onto.

Evolution part2 |class 12

If P=(a,b,c) and Q=(1,2) , then the total number of relations P to Q are not functions is

What are functional groups ? How are the organic compounds classified on the basis of functional groups ? Mention the functional group of each class and give at least one example.

Let R={(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} be a relation the set A= {1, 2, 3, 4} . The relation R is (a). a function (b). reflexive (c). not symmetric (d). transitive

Give an example of each class of lever in a human body.

Evolution part 1|class 12

Let A = {1, 2, 3}. Which of the following relations is a function from A to A ?

Class 10 Maths Ex 9.1 examples (Part 2) Ch 9 Some Applications of Trigonometry (Heights & Distances)

Let E={1,2,3,4,} and F={1,2}. Then the number of onto functions from E to F, is ______.