Discrete Mathematics Answers

The largest set containing all elements under consideration is known as ……. set.
a. universal
b. university
c. unity
d. unicorn

…………… is the set of integers

a. {0, ±1, ± 2, ± 3…… }
b. {0,1, 2, 3, ……}
c. {±1, ± 2, ± 3…… }
d. {1, 2, 3, ……}

…………… is the set of natural numbers

a. {1, 2, 3, ……}
b. {0,1, 2, 3, ……}
c. {±1, ± 2, ± 3 …… }
d. {0, ±1, ± 2, ± 3 …… }

Given that S = { a, b, c, d , e } and T = { a, c, e }, then one of these is untrue

a. T is a subset of S

b. T⊆S

c. S≠T

d. S⊆T

A = {x / x is an odd number between 5 and 21} is same as------------
a. A = {5,7,9,11,13,15,17,19}
b. A = {5,7,9,11,13,15,17,19,21}
c. A = {x : x is an odd number between 5 and 21}
d. A = {7,9,11,13,15,17,19,21}

x:x is an even number between 12 and 20 is same as------------
a. x = {12,14,16,18,20}
b. x = {12,14,16,18,20}
c. x = {x / x is an even number between 12 and 20}
d. x = {14, 16, 18, 20}

which of the following truly represents a set
a. {1, 3, 1, 6, 0,0}
b. {2, 3, 6, 7}
c. {7, 3, 6, 7,2}
d. {1, 9, 9, 6, 7}

Who has developed the concept of congurences and when has he developed the concept?

who has developed the concept of congurences and when he developed the concept?

Q. where the concept of a function first arose? Also find that who has arosed this concept? Also describe How this concept was first used?