1. Determine whether the following is a set or not a set. a. The list of course offering of UPHR-Molino Campus. -SET b. The elected barangay officials of Bacoor City. -SET c. The collection of intelligent students of College Department. -NOT A SET 2. List the elements of the following sets. a. A = {x/x is a letter in the word mathematics} b. B = {x/x is a positive integer, 3 ≤ x ≤ 8} c. C = {x/x = 2n + 3, n is a positive integer} 3. Given U = {x/x is the set of letters in the English alphabet; A = {a, e, i, o, u , B = {x/x is the set of consonant letters} ; and C = { a, b, c, d, e}. Tell whether the statement is true or false. a. B ⊂ U b. C ⊂ B c. A ⊆ B d. B = A 4. Determine the cardinal number sets in given No. 3 such as a. universal set (U) b. set A c. set B d. set C