Functions ( for A2)

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}

Given the following domain and range, tell if it is a function.

• D: {-4, 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

Is this relation a function?

• Yes a Function

• Not a Function

What is another name for input?

• range
• Vertical Line Test
• domain
• Horizontal Line Test

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

p(x) = 3x + 4 and q(x) = 2x²

Find q(-1)

• -1

• -2

• 1

• 2

Tags

CCSS.HSF.IF.A.2

p(x) = 3x + 4 and q(x) = 2x²

Find p( -1)

• -1

• -2

• 1

• 2

Tags

CCSS.HSF.IF.A.2

Using the pictured graph, what is f(-4)? 

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

Using the pictured graph, what is f(1)? 

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

Using the pictured graph, what is f(-3)? 

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

What is the range of  y =  $\sqrt{x-1}$  ?

• (0, $\infty$  )

• [0, $\infty$  )

• (- $\infty$  , $\infty$  )

• (1,0)