Question

find domain and range​

Answer 1

let y = x-2/x-4

y (x+4) =x-2

xy +4y = x-2

xy -x = -2 -4y

x(y-1) = -2-4y

x = -2 - 4y/ y-1

solve y-1 = 0 = y=1 excluded value

range = yÉ R , y= 1

OR

graph {(x-2) /(x+4) [-10, 10,-5, 5]}