Functions Study Guide

Does the following set of ordered pairs represent a function?

{ (6, 3) , (7, 3) , (8, 4) , (9, 2) }

• Yes, every input has only one output

• Yes, the inputs have more than one output

• No, the inputs have the same outputs

• No, they don't pass the vertical line test

Tags

CCSS.8.F.A.1

Is this graph a function?

• No, it does not pass the vertical line test

• Yes, it passes the vertical lines test

Does this graph represent a function?

• Yes, it passes the vertical line test

• No, it does not pass the vertical line test

Does this graph represent a function?

• Yes, it passes the vertical line test

• No, it does not pass the vertical line test

Which of the following is the correct definition of a function?

• A relation where each input has exactly one output

• A relation where each input has multiple outputs

• A relation where each output has multiple inputs

• A relation where inputs and outputs are the same

Tags

CCSS.8.F.A.1

Which of the following does not represent a function?

Tags

CCSS.8.F.A.1

Tags

CCSS.HSF-BF.A.1C

Which of the following represents a function?

Tags

CCSS.8.F.A.1

• No, an x has more than one y

• Yes, every x has only one y

Tags

CCSS.8.F.A.1

For the function f(x) = -2x – 4 if x=-2

• -4

• -8

• 0

• +4

Tags

CCSS.HSF.IF.A.2