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)}

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),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)}

Let f={(x,x^2/(1+x^2)),x in R} be a real function from R to R. Determine the domain and range of f.

Integrate the following functions 1/(9x^2+6x+5)

Integrate the following functions 1/(1+cotx)

Integrate the following functions 1/(1-tanx)

Integrate the following functions e^x(1/x - 1/x^2)