Function and Relations

Which graph represents a function?

• A

• B

• C

• D

Which relation shown is NOT a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

A relation between x- and y-values is shown. Does the relation represent a function?

• No, each independent quantity is mapped to more than one dependent quantity.

• Yes, each dependent quantity is mapped to only one independent quantity.

• No, each x-value is mapped to more than one y-value.

• Yes, each x-value is mapped to only one y-value.

Tags

CCSS.8.F.A.1

Which of the following represents a Function?

• (3,4) ; (4,3) ; (3,-4)

• (2,-2) ; (4,-2) ; (5,0)

• (2,-5) ; (4,0) ; (2,-2)

• (3,-4) ; (3,-1) ; (-3,-4)

Tags

CCSS.8.F.A.1

What can you do to tell if this is a function?

• Use the horizontal line test

• Use the vertical line test

• Calculate the slope

• Guess since you have a 50/50 chance

Does this represent a function?

• Sometimes

• No

• Yes

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

The collection of all X-values or inputs are called what?

• solutions

• domain

• range

• variables

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this represent a function?

• Yes

• No

• Sometimes

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

• Sometimes