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College math practice test MCQ: a function whose range consists of just one element is called is with options onto function, one-one function, constant function and identity function with online tricky questions for online eLearning and competitive exams preparation. Free study guide is for online learning basic function quiz with MCQs to practice test questions with answers.

MCQ: A function whose range consists of just one element is called is

1. onto function
2. one-one function
3. constant function
4. identity function

C

MCQ: A subset of B x A is called a

1. relation from A to B
2. Relation from B to A
3. Relation in A
4. relation in B

B

MCQ: Set of first element of ordered pair forming a relation is called its

1. range
2. domain
3. Relation in A
4. relation in B

A

MCQ: Identity relation in A = {1,2,3,4,5,6} is

1. {(1,1), (2,2),(3,3)}
2. {(4,4),(5,5)(6,6)}
3. {(1,1),(3,3)(4,4),(5,5)}
4. {(1,1),(2,2),(3,3),(4,4),(5,5),(6,6)

D

MCQ: A subset of A x A is called a

1. relation from A to B
2. Relation from B to A
3. Relation in A
4. relation in B

C