Unit 3: Relations & Functions

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}

  R: {0, 1, 2, -4}

• D:{-4, 0, 1, 2, }

  R:{-4, -3, 1}

• D:{0, 1, 2, 3, 4}

  R:{1, -3, -4}

• D:{0, 1, 2, 3}

  R:{0, 1, 2, 3, 4}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

For h(x) = x³ + 2x, find h(4).

• 20
• 14
• 64
• 72

Tags

CCSS.HSF.IF.A.2

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

If f(x) = -4x - 5 and g(x) = 3 - x,

what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

Tags

CCSS.HSF.IF.A.2

Does this relation represent a function?

• No
• Yes

Tags

CCSS.8.F.A.1

What test is used to determine if a graphed relation is a function?

• The Vertical Line Test
• The Horizontal Line Test
• The Diagonal Line Test
• The Litmus Test

Tags

CCSS.HSF.IF.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1