Algebra Relations and Functions

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 a function?

• Yes - because it passes the vertical line test

• Yes - because it passes the horizontal line test

• No - because it fails the vertical line test

• No - because it fails the horizontal line test

What is f(6) for the function f(x) = 3x - 8

• -8

• 10

• -144

• 18x - 48

Tags

CCSS.HSF.IF.A.2

• Function
• Not a 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 graph a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is the relation a function? 
{(4,5), (4,-7), (4,2), (4,0), (4,9)}

• Yes

• No

Tags

CCSS.8.F.A.1

Give the domain and range of the relation.
{(-2,-1), (-1,0), (0,-1), (1,0), (2,-1)}

• D: {-2, -1, 0, 1, 2}
  R: {-1, 0}

• D: {-1, 0}
  R: {-2, -1, 0, 1, 2}

• D: {-2, -1, 0, 1, 2}
  R: {-1, -1, -1, 0, 0}

• D: {-2 < x < 2}
  R: {-1 < y < 0}

• Function
• Not a Function