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College Math Practice Test 121

# Basic Function Quiz Questions and Answers PDF - 121

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## Basic Function Questions and Answers : Quiz 121

MCQ 601:

Subset of A x B is called a

1. relation from A to B
2. Relation from B to A
3. Relation in A
4. relation in B
MCQ 602:

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

1. 3, 3ω, 3ω²
2. −3, -3ω, -3ω²
3. −5, -5ω, -5ω²
4. 5, 5ω, 5ω²
MCQ 603:

nC4 =

1. n(n-1)(n-2)(n-3)/4ι
2. (n-1)(n-2)(n-3)/4ι
3. (n-2)(n-3)/4ι
4. None of Above
MCQ 604:

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

1. x² + 4x + 1 = 0
2. x² - 4x + 1 = 0
3. x² - 6x + 6 = 0
4. x² - 6x - 6 = 0
MCQ 605:

A right angle is the angle of measure

1. 90″
2. 90′
3. 60°
4. 90°