Question 11 Mark$f(x)=2 x$, for $f: N \rightarrow N$, is. ________ but not onto.AnsweroneoneView full question & answer→
Question 21 MarkTotal number of one-one functions defined from set $A =\{a, b, c\}$ to set $B =\{x, y, z, t\}$ is. ________Answer24View full question & answer→
Question 31 MarkFrom set $A =\{1,2,3,4\}$ to set $B =\{a, b, c\}$ defined total number of functions are. ________Answer81View full question & answer→
Question 41 Mark$f: X \rightarrow Y$ is onto function, if and only if. _________ of $f$ $= Y$.AnswerRangeView full question & answer→
Question 51 MarkFunction $f: X \rightarrow Y$ is known as _________, if for every $y \in Y$ a element $x$ has in existence is X such that $f(x)$ $=y$.AnswerontoView full question & answer→
Question 61 MarkGiven an arbitrary equivalence relation $R$ is an arbitrary set $X , R$ divides X into mutually disjoint subsets $A _i$ called _________ of X .AnswerPartitionsView full question & answer→
Question 71 MarkFor set A , relation R is known as _________ if every $a_1$, $a_2, a_3 \in A,\left(a_1, a_2\right) \in R$ and $\left(a_2, a_3\right) \in R$ then also $\left(a_1, a_3\right) \in R$.AnswerTransitiveView full question & answer→
Question 81 MarkFor set A , relation R is defined by ________ if every $a \in A,(a, a) \in R$.AnswerReflexiveView full question & answer→
Question 91 MarkEmpty relation and universal relation sometimes know as ________ relation.AnswerTrivialView full question & answer→
Question 101 MarkIf any element of A is not related to any element of A. This relation R is defined on A is know as _________AnswerEmpty relationView full question & answer→