We are going to evaluate for the giving values
x | y | x + 3y
0 | 4 | 0 + 3(4) = 3(4) = 12
2 | 3 | 2 + 3(3) = 2 + 9 = 11
4 | 2 | 4 + 3(2) = 4 + 6 = 10
3 | 6 | 3 + 3(6) = 3 + 18 = 21
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