MHB [Limits] Help with Delta-Epsilon Proofs for Multivariable Functions

Steve1231
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Hi guys, just having some confusions on the Delta-Epsilon proofs for multivariable limit functions.
here is my question:

Apply Delta-Epsilon proof for the Lim (x,y) --> (0,0) of (y^3 + 5x^2y)/(y^2 + 3y^2) to show the limit exists.
The part that has me confused is the y to the power of 3, where as most of the examples I've worked through thus far only contain squared variables.
Any help is appreciated =)
 
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The "y^2 + 3y^2" in the denominator seems odd. Are you sure the problem is typed properly?
 
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