Identifying Functions HW

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

What is the vertical line test?

• A graph is not a function if you can draw a vertical line and it crosses the graph in more than 1 location

• A Graph is a function if it can be altered to make a linear equation.

• A graph is a function if you can create a vertical line that adheres to the equation y=mx+b

• Stay within the vertical lines

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.C.7

Which of the following is a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Is the following a function?

• Yes, this is a function.

• No, it's not a function.

• Can't be determined with this information.

Tags

CCSS.8.F.A.1

Which of the following is a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which is a function?

• W

• X

• Y

• Z

Tags

CCSS.8.F.A.1

Which of the following is NOT a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

The following is not a function because...

• There are two values that equal 2.

• x = 10 and x = 40 has two values each.

• In the f(x) column, the 5 repeats.

• This table is actually a function.

Tags

CCSS.8.F.A.1

Which of the following is a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1