دسویں جماعت · ریاضی · 10 سوالات
نام: ____________________ تاریخ: ____________
If A = {1, 2, 3} and B = {3, 4}, what is A union B?
If A = {1, 2, 3} and B = {3, 4}, what is A intersection B?
The number of subsets of a set with 3 elements is:
If f(x) = 2x + 3, what is f(4)?
A relation in which every input has exactly one output is a:
If A has 4 elements and B has 3 elements, how many elements are in A x B?
The empty set is written as:
If A = {1, 2} and B = {2, 3}, the set A - B is:
The domain of the function f = {(1, 2), (3, 4)} is:
A set with exactly one element is called a:
1. D, 2. A, 3. B, 4. C, 5. A, 6. A, 7. A, 8. D, 9. D, 10. A
The union has all elements of both sets.
Only 3 is in both sets.
2³ = 8.
f(4) = 2 x 4 + 3 = 11.
This is the definition of a function.
The Cartesian product has 4 x 3 = 12 ordered pairs.
The empty set has no elements.
The elements in A that are not in B.
The domain is the set of first elements.
A singleton has one element.