Domain Range and Function

Give the range of the set of ordered pairs: (2, 11), (9, -3), (7, 21), (-8, 6)

• {2, 9, 7, -8}

• {11, -3, 21, 6}

• -8 < x < 9

• -3 < y < 21

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which set of ordered pairs is not a function?

• (1, 3), (2, 7), (3, 8), (4, 11)

• (2, 3), (4, 9), (3, 8), (4, 15)

• (1, 2), (3, 5), (6, 9), (7, 11)

• (-9, 4), (-6, 3), (-2, 8), (0, 21)

Tags

CCSS.8.F.A.1

For the function: f(x) = 7(x - 11), f (16) = _____

• 5

• 35

• 16

• 28

Tags

CCSS.HSF.IF.A.2

For the set of ordered pairs (x, f(x)): (2, 10), (4, 20), (7, 35), (11, 55), what is the function f(x)?

• f(x) = x + 8

• f(x) = 10x

• f(x) = 7x - 12

• f(x) = 5x

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which mapping diagram is not a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

For which function would f(3) = 17

• f(x) = 5x

• f(x) = 2(x + 4) + 3

• f(x) = x - 10

• f(x) = 3x + 6

Tags

CCSS.HSF.IF.A.2

What is a function?

• A relation that maps every domain value to exactly one range value.

• A relation that maps every range value to exactly one domain value.

• Any set of ordered pairs.

• Any graph of x and y values.

Tags

CCSS.8.F.A.1

What is the test to determine if a graph represents a function?

• Horizontal line test

• Vertical line test

• Heidelberg Uncertainty Test

• Obi Wan Kenobi Test

Tags

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

Does this Mapping Diagram repersent a function?

• Function
• No Function
• I Don't Know

Tags

CCSS.8.F.A.1