functions

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

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

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}

  R: {-2, -2, 1, 1}

  Function

• D: {-4, -2, 0, 2}

  R: {-2, 1}

  Function

• D: {-4, -2, 0, 2}

  R: {-2, -2, 1, 1}

  Not a Function

• D: {-4, -2, 0, 2}

  R: {-2, 1}

  Not a Function

Tags

CCSS.8.F.A.1

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Tags

CCSS.HSF.IF.A.2

What is x if

f(x) = -2?

• 4

• 0

• 3

• 8

Tags

CCSS.HSF.IF.A.2