1. which of the following set has the cardinality equals to 5?.
a. set A is the set of counting numbers less than 5.
b. set B is the set of letters in the world "RACER".
c. set C is the set of positive multiplies of 5.
d. set D is the set of names of the fingers.
2. Find A-B
a. {1,2,4}
b. {5,7,8}
c. {3}
d. { 2,4,6}
3. Find AUB
a. {1,2,3,4,5,6,7}
b. {1,2,3,4,5,6,7,8}
c.{3}
d. {1,3,4,5,7,8}
Share
1.A
2.D
3.B
Step-by-step explanation:
sana makatulong