Functions

Does the graph above represent a function? Explain how you know.

Does the table below represent a linear function? Why or why not?

Tags

CCSS.8.F.A.3

The graph shows the number of homework problems Amanda has remaining based on the number of minutes she has been working. Which of the following statements is NOT true.

• Amanda started with 30 homework questions.

• Amanda finishes 2 homework questions every 3 minutes.

• Amanda finishes 3 homework questions every 2 minutes.

• After 10 minutes, Amanda has finished half of her homework.

Tags

CCSS.HSF.LE.B.5

A local boutiques sells water bottles for a set price, plus an additional fee for each letter that customers would like engraved on their water bottle. The pricing for up to 4 engraved letters is shown in the table. Write an equation to represent the relationship between the number of letters and total cost.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which has the greatest rate of change?

• 
• 

Tags

CCSS.HSF-LE.A.1B

Which has the greatest rate of change?

• y=4x-8

• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Is this a function? Explain

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is this function linear or nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3