Basics of Functions

When is this function increasing?

• -2.5 < x < 2.5

• 0 < x < 5

• 0 < x < 55

• -5 < x < 0

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases on the interval 11:00 < x < 15:00

Over what interval is this function constant?

• -5 < x < ∞

• -3 < x < 4

• 4 < x < ∞

• -5

Tags

CCSS.HSF-IF.C.7B

A relation where every input yields one and only one output is called a(n) __________?

• Relation

• Linear

• Exponential

• Function

Tags

CCSS.8.F.A.1

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

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 

• Not a Function

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which graph is a function?

• A

• B

• C

• D

All of the x values or inputs are called the _________?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1