1. Let P = {4, 5, 6, 7, 8}, Q = {5, 6 ,7}, and R = {1, 2}.
Find P U Q.
a. {1, 2, 4, 5, 6, 7, 8}
b. {5, 6 ,7}
c. {4, 5, 6, 7, 8}
d. 0 with a line through it
2. Let P = {6, 7, 8, 9, 10}, Q = {7, 8, 9}, and R = {3, 4}.
Find P (Upside down U) Q.
a. {3,4}
b. {7, 8, 9}
c. {6, 7, 8, 9, 10}
d. 0 with a line through it, empty set
oop
no one responded to this lol
guess she failed
To find the union of two sets, you need to combine all the elements from both sets, removing any duplicates. The symbol for the union of sets is U.
1. In this case, we have sets P = {4, 5, 6, 7, 8} and Q = {5, 6 ,7}. To find P U Q, simply combine all the elements from both sets, removing duplicates: {4, 5, 6, 7, 8} U {5, 6 ,7} = {4, 5, 6, 7, 8, 5, 6 ,7} = {4, 5, 6, 7, 8}. So the answer is c. {4, 5, 6, 7, 8}.
2. In this case, we have sets P = {6, 7, 8, 9, 10} and Q = {7, 8, 9}. To find P (Upside down U) Q, you need to find the intersection of the two sets. The symbol for intersection is an upside-down U (∩). The intersection of two sets is the set of elements that are common to both sets. In this case, P ∩ Q = {7, 8, 9}. However, the question asks for P (Upside down U) Q, which means finding the complement of the intersection of sets P and Q. The complement of a set is the set of all elements that are not in the given set. Since the intersection of P and Q is {7, 8, 9}, the complement of that set, P (Upside down U) Q, would be all the elements that are not 7, 8, or 9. Therefore, the answer is c. {6, 7, 8, 9, 10}.