A1 2.1 Introduction to Functions

Unit 2 Lesson 1

Introduction to Functions

Multiple Choice

Is this a function? How can you tell?

• Yes , it fails the vertical line test.

• No, it fails the vertical line test.

• Yes, it passes the vertical line test.

• No, it passes the vertical line test.

Multiple Choice

Is what is represented in this mapping diagram a function?

• Yes, this is a function.

• No, this is not a function.

Multiple Choice

Is this relation a function? {(3,4), (6,8), (1,5), (3,-2)}

• Yes

• No

Multiple Choice

Is this relation a function?

• Yes

• No

Multiple Choice

Is this relation a function?

• Yes

• No

Multiple Choice

Is this relation a function?

• Yes

• No

Multiple Choice

Is this relation a function?

• Yes

• No

Multiple Select

Choose the relations that ARE functions.