College Algebra
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Given the following sets, find {x | x ∈ U, x ∉ B}:
U = {34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49}
B = {35, 37, 39, 41, 46, 48, 49}