Dec. 3rd - Functions Quiz

Is the relation a function? Why.

• Yes

  the x-value 11 has two y-values paired with it.

• Yes

  each x-value has only one y-value paired with it.

• No

  the x-value 11 has two y-values paired with it.

• No

  each x-value has only one y-value paired with it.

Which ordered pair could you add to the following list of points to create a function?

(3, 5) (4, 9) (2, 5)

• (3, 7)

• (4, 1)

• (1, 9)

• (2, 6)

• Function
• Not a Function

Tags

CCSS.8.F.A.1

What is f(1)?

• 1
• 5
• 0
• 4

Tags

CCSS.HSF.IF.A.2

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

Find the function rule.

• y = -2x +10
• y = -2x -10
• y = 2x +10
• y = 2x-10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the function rule.

• y = 2x

• y = 2x+3

• y = 3x+3

• y = -2x+3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

 $Evaluate\ the\ function\ for\ f\left(-9\right)\ if\ f\left(x\right)=\frac{3}{5}x+8$  

•  $\frac{67}{5}$  

•  $-\frac{13}{5}$  

•  $-\frac{67}{5}$  

•  $\frac{13}{5}$  

Tags

CCSS.HSF.IF.A.2

Evaluate f(-4) when f(x) = - x² + 2x - 8

• -32

• -84

• -10

• 0