Which of the following relations are functions ? Give reasons. If it is a functions determine its domain and range.{(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)}

Which of the following relations are functions ? Give reasons. If it is a functions determine its domain and range. {(1,3),(1,5),(2,5)}

Which of the following relations are functions ? Give reasons. If it is a functions determine its domain and range.{(2,1),(5,1),(8,1),(1,1),(14,1),(17,1)}

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. i) {(2,1),(5,1),(8,1),(11,1),(14,1),(17,1)} ii) { (2,1,(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)} iii) {(0,0),(1,1),(1,-1),(4,2),(4,-2),(9,3)(9,-3),(16,-4), (16,-4)} iv) {(1, 2),(1,3),(2,5)} v) {(2,1),(3,1),(5,2)} vi) { (1,2),(2,2),(3,2)}

Examine each of the following relations given below and state in each case, giving reasons whether it is a function or not? i) R={(2,1),(3,1),(4,2)} ii) R={(2,2),(2,4),(3,3),(4,4)} iii) R={(1,2) ,(2,3),(3,4),(4,5),(5,6),(6,7)}

Write the domain and range of the relation R={(2,5),(3,10),(4,17),(5,26)}

Let A={1,2,3} , B={3,4} . Write a relation from A and B having 5 elements. Write its domain,co-domain and range.

If A = {1,2,3} and g is relation on A defined as follows, then which of these relations is a function from A to A ? Explain. g = {(1,2),(1,3),(2,3)}

Let A={1,2,3,4} and B={1,4,5} be two sets. If R is the relation " Write Domain and Range of R.

Given the set A={1,3,5},B={2,4,6} and C={0,2,4,6,8}, which of the following may be considered as universal set(s) for all the three sets A,B and C {0,1,2,3,4,5,6,7,8,9,10}

Find the domain and the range of the functions f(x) = 1/(2x-1)