Intro to Functions Test

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

Carrie gets one sticker for every paper she completes.

s = stickers
p = paper

The independent variable is:

• s = stickers
• p = paper

Tags

CCSS.6.EE.C.9

• Function
• Not a Function

Bob earned $8 for every cake he delivers.

m = money
c = cakes he delivers

The dependent variable is:

• m = money
• c = cakes he delivers

Tags

CCSS.6.EE.C.9

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Identify the dependent variable:
The profit (p) and the number of candy (c) sold

• p = dependent
• c = dependent

Tags

CCSS.6.EE.C.9

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Identify the dependent variable:
The number of pages (p) read, and the time (t) spent reading.

• p = dependent
• t = dependent

Tags

CCSS.6.EE.C.9

Is this graph a function or not a function? 

• Function
• Not a Function

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.

t = the number of treats

s = the number of students

Which of the variables is independent?

• s

• t

Tags

CCSS.6.EE.C.9