Functions Quiz

What is the domain of the relation?

• [1, 3]

• [-4, 6]

• [2, 5]

• [1, 4]

Which of the following relations is a function?

• x: 4, 2, -3, 6, 1; y: 2, 4, 8, 1, -1

• x: 2, 3, 5, 3, 8; y: 3, 5, 7, 8, -2

• x: 1, 4, 0; y: 1, 2, 0

• x: 0, 5, -2, 4, 3; y: -3, 7, -7, 5, 3

Which of the following equations is not a function?

• y = 4x - 1

• y = x^2 - 2x

• y = 2x + 1

• y = 3x + 2

According to the Vertical Line Test, which of the following graphs represents a function?

• Graph A

• Graph B

• Graph C

• Graph D

Find the value of f(2) for the function f(x) = 4x - 1.

• 1

• 3

• 7

• 9

Find the value of g(-3) for the function g(x) = x^2 - 2x.

• -6

• 0

• 9

• 15