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# Basic Function Quiz Questions and Answers PDF p. 121

Basic Function quiz questions and answers, basic function MCQ with answers PDF 121 to solve College Math mock tests for online college programs. Solve Sets, Functions and Groups trivia questions, basic function Multiple Choice Questions (MCQ) for online college degrees. Basic Function Interview Questions PDF: online math learning, fourth root of unity, complementary combination, cube roots of unity, basic function test prep for accredited online college courses.

"Subset of A x B is called a" MCQ PDF with choices relation from b to a, relation from a to b, relation in a, and relation in b for ACT subject tests. Practice sets, functions and groups questions and answers to improve problem solving skills for ACT prep classes.

## Quiz on Basic Function MCQs

MCQ: Subset of A x B is called a

relation from A to B
Relation from B to A
Relation in A
relation in B

MCQ: If ω is the cube root of unity, then cube roots of 125 are

3, 3ω, 3ω²
−3, -3ω, -3ω²
−5, -5ω, -5ω²
5, 5ω, 5ω²

MCQ: nC4 =

n(n-1)(n-2)(n-3)/4ι
(n-1)(n-2)(n-3)/4ι
(n-2)(n-3)/4ι
None of Above

MCQ: The quadratic equation with roots 3-√( 3 and 3+√(3 is

x² + 4x + 1 = 0
x² - 4x + 1 = 0
x² - 6x + 6 = 0
x² - 6x - 6 = 0

MCQ: A right angle is the angle of measure

90″
90′
60°
90°