Functions Review

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

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.

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

CCSS.HSF.IF.A.2

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the increasing interval for this function?

• (-6, -2)
• (-∞, ∞)
• (-2, 6)
• (-1, 3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Over what interval is this function constant?

• (-5 , ∞)

• (-3,4)

• (4 , ∞)

• -5

When is the velocity decreasing?

• (0,60)

• (40,60)

• (15,40)

• (-40,0)

How long did it take Sam to get to school?

• 5 minutes
• 20 minutes
• 1.25 km
• 1.25 minutes

At what time did this Kayak trip begin?

• 15:00
• 12:00
• 0 km
• 11:00

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)