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Basic Function trivia questions and answers, basic function quiz answers PDF 111 to practice math exam questions for online classes. Practice "Number System" trivia questions and answers, basic function Multiple Choice Questions (MCQs) for online college degrees. Free basic function MCQs, harmonic mean, online math learning, double angle identities, introduction to functions and limits, basic function test prep for best ACT prep courses online.

"The inverse of an identity relation is", basic function Multiple Choice Questions (MCQs) with choices not a relation, not an identity relation, an identity relation, and an empty set for best GRE prep courses online. Practice number system questions and answers to improve problem solving skills for colleges that offer online classes.

Basic Function Quiz

MCQ: The inverse of an identity relation is

1. not an identity relation
2. not a relation
3. an identity relation
4. an empty set

C

Introduction to Functions and Limits Quiz

MCQ: If f:X→Y is a function, then x εX is called

1. ƒ(x) = 1
2. ƒ(x)εY
3. ƒ(x)εX
4. ƒ(x) does not belong to Y

B

Double Angle Identities Quiz

MCQ: Sec²α - 1 is

1. tanα
2. tan²α
3. cos²
4. None of Above

B

Online Math Learning Quiz

MCQ: Cosec(2040°) =

1. −√3/2
2. √3/2
3. 2/√3
4. −2/√3

D

Harmonic Mean Quiz

MCQ: Series obtained by adding the terms of an harmonic sequence is

1. H.P
2. A.P
3. G.P
4. Harmonic series

D