Answer:
-1 = 11
0 = 13
1 = 15
2 = 17
5 = 23
Explanation:
2 (-1) +13 = 11
2 (0) +13 = 13
2 (1) +13 = 15
2 (2) +13 = 17
2 (5) +13 = 23
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