Examine each of the following relations given below and state in each case giving reasons whether it is a function ir not ?
` R={(2,1,) ,( 3,1),( 4,2)}`

Examine each of the following relations given below and state in each case giving reasons whether it is a function ir not ? R={(2,2),(2,4),(3,3) ,(4,4)}

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

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

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

If X = {1,2,3,4,5}, Y = {1,3,5,7,9} determins which of the following relations from X to Y are functions ? Give reasonfor your answer. If it is a function. State its type. (i) R_(1) = {(x,y) | y = x + 2, x in X , y in Y } (ii) R_(2) = {(1,1),(2,1),(3,3),(4,3),(5,5)} (iii) R_(3) { (1,1),(1,3),(3,5),(3,7),(5,7)} (iv) R_(4) {(1,3),(2,5),(4,7),(5,9),(3,1)}

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) {(1,3),(1,5),(2,5)}

State which of the following are polynomials and which are not ? Give reasons. p^(-2)+1

State which of the following are polynomials and which are not ? Give reasons. 4z^(2)+1/7

Find the range of each of the following functions f(x) =2-3x , x in R , x gt 0

State which of the following are polynomials and which are not ? Give reasons. 2x^(3)