Given the following sets.

1 answer:

5 0

That's the uniion of sets B and C
that means inclde all the values of both sets (not meaning the ones common to both sets)

so that would include a,b,c,d, 0,a,2,b
a and b repeat so list them only once

that would be {a,b,c,d,0,2}
answer is 4th option

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