Question

Give the domain and range of the relation *open file*

Answer 1

y = (X)(2) + 1

Answer 2

how did you get it ?

Answer 3

you can used :
Y-y1=m(X-x1)
where
m=(y2-y1)/(x2-x1)

Answer 4

by choosing two point
(x1,y1) and (x2,y2)

Answer 5

so which letter is it ?