Relation and function example 2

Which of the following relations are functions ? y=3x+2.

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

Which of the following relation are functions? Give reasons. In cane of a function, determine its domain and range. {(1,0),(1,-1),(2,3),(4,10)}

Which of the following relation are functions? Give reasons. In cane of a function, determine its domain and range. {(1,-2),(3,7),(4,-6),(8,11)}

Which of the following relation are functions? Give reasons. If it is a function, determine its domain and range. {(a,b),(b,c),(c,d),(d,e)}

Let X={1,2,3,4} . Determine whether or not each relation is a function from X into X. f={(2,3),(1,4),(2,1),(3,2),(4,4)}

Which of the following relations are functions ? yltx+3 .

State the function along with one example each of: Antihistamine.

State the function along with one example each of: Antioxidants.