Basic function quiz, basic function MCQs answers, college math quiz 111 to learn math online courses. Number system quiz questions and answers, basic function multiple choice questions (MCQs) to practice math MCQs with answers for online colleges and universities courses. Learn basic function MCQs, online math learning, double angle identities, introduction to functions and limits, basic function test prep for online certifications.

Practice basic function test with multiple choice question (MCQs): inverse of an identity relation is, with choices not an identity relation, not a relation, an identity relation, and an empty set for online college degrees. Practice number system questions and answers for problem-solving, merit scholarships assessment test.

Basic Function Quiz

MCQ: 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 & 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 terms of an harmonic sequence is

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

D