Question

If A = {relish, onion, cheese} and B = {chili, mustard, cheese}, what is A union B?

{chili, mustard}

{cheese}

{ }

{relish, onion, cheese, chili, mustard }

Answer 1

@zzr0ck3r

Answer 2

a union of sets is everything in both sets

{1,2,3,4,5}U{house,car,boat,money} = {1,2,3,4,5,house,boat,car,money}

Answer 3

d?

Answer 4

yes, notice we never repeat some element of a set.

Answer 5

yes! thank you! you are so helpful(: