SOLUTION: Find the domain of rational function f(y)=(y+4)/(y^2-4y)
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Question 744973: Find the domain of rational function f(y)=(y+4)/(y^2-4y)
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The denominator is also y*(y-4).
y can be of the real numbers so that and .
Your use of 'y' as the independent variable in the function f indicates that the domain must be for y. The intent to use y instead as the dependent variable would be very dubious for the given rational function.
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