Discrete Math Flashcards
1
Q
Is {a,b} a subset of A?
A= {a,b,c,d,e,f}
A
Yes
2
Q
Empty set is a subset of every set. T or F?
A
T
3
Q
is {(a,1), (b,2), (c,3) a function?
A
Yes
4
Q
Element of A can have multiple mappings. T or F
A
F
5
Q
a - x
b - y
c - 2
d - 2
what is the range of d?
A
2
6
Q
floor of 7, is?
A
7
7
Q
floor of 6.5, is?
A
6
8
Q
ceiling of 1.5, is?
A
2
9
Q
a - x
b - y
c - 2
d - 2
what is the pre-image of x and y?
A
a and b
10
Q
what is the string of abcdefgh?
A
8
11
Q
find the geometric progression of
1, 3, 9, 27, 81, 243
A
3
12
Q
find the arithmetic progressions of
10, 8, 6, 4, 2
A
2
13
Q
is (2,4,6,8,10,12…) finite sequence?
A
No
14
Q
in matrices, can you multiply 3x2 by 3x3?
A
No
15
Q
1v0 is equal to 0. T or F?
A
F
