Relations and functions

Front

Relation R is defined as aRb where a is a brother of b in a non-empty set of children in a family. What is the nature of R?

Back

both symmetric and transitive

Front

Relation R on set of triangles T defined as a R b if a is congruent to b. What is R?

Back

equivalence

Front

Back

x+2

Front

f is a function from R to R, then f(-1) + f(2) + f(3) is

Back

9

Front

Back

7 + (4-x) 1/3

Front

Is every function invertible?

Back

False

Front

Every relation which is symmetric and transitive is also reflexive.

Back

False

Front

Is the relation 'm is a multiple of n' reflexive, symmetric, and transitive in integers?

Back

False

Front

Relation between range and codomain for a surjective function

Back

Front

Back

f is not defined