College Math Certification Exam Tests

College Math Practice Test 111

The e-Book *Basic Function Quiz Questions and Answers*, basic function Quiz MCQs PDF download, chapter 6-111 to study free math online courses. Study Number System MCQ Questions PDF, basic function Multiple Choice Questions (MCQ Quiz) for online college degrees. The *Basic Function Trivia* App Download: Free educational app for basic function, introduction to functions and limits, double angle identities, online math learning, harmonic mean test prep for best GRE prep courses online.

The Quiz: *Inverse of an identity relation is*; "Basic Function" App Download (Android & iOS) Free with answers not a relation, not an identity relation, an identity relation and an empty set for online college classes. Practice number system questions and answers, Google eBook to download free sample for online schools that offer certificate programs.

**MCQ 551**: The inverse of an identity relation is

A) not an identity relation

B) not a relation

C) an identity relation

D) an empty set

c

**MCQ 552**: If f:X→Y is a function, then x εX is called

A) ƒ(x) = 1

B) ƒ(x)εY

C) ƒ(x)εX

D) ƒ(x) does not belong to Y

b

**MCQ 553**: Sec²α - 1 is

A) tanα

B) tan²α

C) cos²

D) None of Above

b

**MCQ 554**: Cosec(2040°) =

A) −√3/2

B) √3/2

C) 2/√3

D) −2/√3

d

**MCQ 555**: Series obtained by adding the terms of an harmonic sequence is

A) H.P

B) A.P

C) G.P

D) Harmonic series

d

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