1. small bubbles of air
2. large bubbles of air
3. bubbling of cold air
4. slow bubbling of air
Answer: A
The union of the sets {1, 2, 5} and {1, 2, 6} is the set _______________.
a) {1, 2, 6, 1}
b) {1, 2, 5, 6}
c) {1, 2, 1, 2}
d) {1, 5, 6, 3}The intersection of the sets {1, 2, 5} and {1, 2, 6} is the set ___________.
a) {1, 2}
b) {5, 6}
c) {2, 5}
d) {1, 6}The function f(x)=x+1 from the set of integers to itself is onto. Is it True or False? a) True b) False
The g -1({0}) for the function g(x)= ⌊x⌋ is ________.
a) {x | 0 ≤ x < 1}
b) {x | 0 < x ≤ 1}
c) {x | 0 < x < 1}
d) {x | 0 ≤ x ≤ 1}The inverse of function f(x) = x3 + 2 is __________. a) f -1 (y) = (y - 2) 1/2 b) f -1 (y) = (y - 2) 1/3 c) f -1 (y) = (y) 1/3 d) f -1 (y) = (y - 2)
The function f(x) = x3 is bijection from R to R. Is it True or False? a) True b) False
Let f and g be the function from the set of integers to itself, defined by f(x) = 2x + 1 and g(x) = 3x + 4. Then the composition of f and g is ________. a) 6x + 9 b) 6x + 7 c) 6x + 6 d) 6x + 8
Which of the following function f Z X Z → Z is not onto? a) f(a, b) = a + b b) f(a, b) = a c) f(a, b) = |b| d) f(a, b) = a - b
__________ bytes are required to encode 2000 bits of data, a) 1 b) 2 c) 3 d) 8
The value of ⌊1/2.⌊5/2⌋ ⌋ is _______________. a) 1 b) 2 c) 3 d) 0.5
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