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Reil [10]
3 years ago
8

Given the equation xy+4y=3x-2 show that y is a function of x and determine the domain in interval notation.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0
First, the equation has to be rearranged so that y will be isolated on the left-hand side of the equation.


(x + 4)y = 3x - 2y = (3x - 2)/(x + 4)

This form is a rational function which is of course a function. All values of x are possible, except for x when y becomes undefined, thus the domain should be x /= -4. In interval notation, (-inf, -4) U (-4, inf).


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!


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