SOLUTION: Given the equation xy+2y=5x+4, show that y is a function of x and determine the domain in interval notation.

Algebra ->  Linear-equations -> SOLUTION: Given the equation xy+2y=5x+4, show that y is a function of x and determine the domain in interval notation.      Log On


   

Question 840446: Given the equation xy+2y=5x+4, show that y is a function of x and determine the domain in interval notation.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y is easy to isolate.

xy%2B2y=5x%2B4
%28x%2B2%29y=5x%2B4
y=%285x%2B4%29%2F%28x%2B2%29. There is the function; y depends on x.

The restriction is x%3C%3E-2;
DOMAIN: (-oo, -2) AND (-2, oo)