So easy so easy so easy so easy so easy so easy so easy 9
The answer is D. The ones on the left are the domain. The ones on the right which the arrows point to are the range
First, replace all variables with the given values.
12(9) + 9(2) + 2(12)
This should then equal 150, then the formula says to multiply this answer by 2. Doing so, should give a final answer of 300.