Functional Relationships

Which of the following represents y as a function of x?

• 
• 
• 
• 

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 shows y as a function of x?

• 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.

Which of the following representations does show y as a function of x?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Evaluate f(x) = x+3 for the value of f(-2)

• -1

• 1

• 5

• -5

Tags

CCSS.HSF.IF.A.2

Evaluate the function for the given value:

• -16
• -4
• -20
• 12

Tags

CCSS.HSF.IF.A.2

Evaluate the function for the given value:

• 8
• -7
• 6
• 2

Tags

CCSS.HSF.IF.A.2

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

Evaluate f(x)=-2x+13 for f(-4)

• 21
• 5
• -8
• 7

Tags

CCSS.HSF.IF.A.2