The relation R defined on set A = {x: |x| < 3, x z} by R = {(x, y):y = |x|} is:
{(-2, 2), (-1, 1), (0,0), (1, 1), (2, 2)}
{(-2, -2), (-2, 2), (-1, 1), (-1, -1), (0, 0), (1, -2), (1, 2), (2, -1), (2, -2)}.
{(0, 0), (1, 1), (2, 2)}
None of these
The relation R from A = {11, 12, 13} to B = {8, 10, 12} defined by y = x - 1 is:
{(11, 10), (13, 12)}
{(10, 11), (12, 13)}
{(10, 11), (12, 13), (13, 12)}
The period of the function f(x) = sin3x + cos3x is
2∏
∏
2∏/3
Let R = {(1,3), (4, 2), (2, 4) (2, 3) (3, 1)} be a relation on the set A = {1, 2, 3, 4}. The relation R is:
Reflexive
Transitive
Not symmetric
A function
A relation from P to Q is
Universal set of P × Q
P × Q
An equivalent set of P × Q
A subset of P × Q
Let A = {2, 3, 4, 5} and R = {(2, 2), (3, 3), (4, 4), (5, 5)} be a relation in A. Then R is.
Symmetric
If A × B = {(1,1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3)}, then A is equal to.
{1, 2}
{1, 2, 3}
{2, 3}
In an Euclidean plane, which one of the following is not an equivalence relation.
Parallelism of lines
Congruence of triangles
Similarity of triangles
Orthogonality of lines
What is the value of x for which the function f(x) = 5/3x-2 becomes meaningless ?
5
3
3/2
2/3
The range of the function f(x) = x - 2/2 - x, x ≠ 2 is
1
-1
{1}
{-1}
