Input/Output

Does this table represent a function?

• Totally!
• Absolutely not.

Tags

CCSS.8.F.A.1

Totally! This table represents a function because...

• No inputs repeat.
• Some output (7) has multiple inputs (5, 17).
• Each input has only one output.
• Some outputs repeat.

Tags

CCSS.8.F.A.1

Just no. This graph does not represent a function because...

• Some inputs (1, 6) have multiple outputs.
• The points do not form a straight line.
• Every input has only one output.
• Some outputs (1, 2, 5) have multiple inputs.

Tags

CCSS.8.F.A.1

Slope is another word for:

• Initial Value
• Rate of Change
• Change in Y's
• Y-intercept

Tags

CCSS.8.EE.B.5

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

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y = 8x + 50

• C = 50m +8

• y = 50x + 8

• C = 8m + 50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plumber charges $50 to make a house call. He also charges $25 per hour for labor.

How much would it cost for 2.5 hours of labor?

• $100

• 4.50

• $112.50

• $65.00

• $123.45

Tags

CCSS.8.EE.C.7B

Your new job is at the Custom T Shop, where T Shirts are printed to order. For each order, Custom T Shop charges $8 per shirt plus a one time set up fee of $15, represented by the equation y=8x+15

How much would 50 shirts cost?

• y= 40

• y= 400

• y= 415

• y= 65

• y= 390

Tags

CCSS.HSF.LE.B.5