The set D = {x +4y - 22 0} is the domain of which of the following functions? In (2x? + 8y? - 3) 2. VIn (2x + 8y - 6) 1. 3. VIn (2x? + 8y - 4) 4. Vin (2x? + 8y? - 5) Please enter either 1, 2 , 3, or 4 in the answer box :

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