Functions and Domain/Range

What is the definition of a function?

• Every input has exactly one output

• Every output has exactly one input

• Outputs have multiple inputs

• Inputs have multiple outputs

Does this table represent a function?

• Yes!
• No!
• I Don't Know

Tags

CCSS.8.F.A.1

Is this graph a function?

• Yes

• No

• I Don't Know

Is this relation a Function?

• Yes
• No
• I Don't Know

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

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

What is the domain of the graph?

• -3 ≤ x ≤ 3
• 3 ≤ x ≤ -3
• -2 ≤ x ≤ 10
• -3 ≤ x ≤ 10

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the range of the graph?

• -2 < y < 10
• -3 < x < 3
• -2 ≤ y ≤ 10
• -3≤ x ≤ 3

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the domain of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Tags

CCSS.HSF.IF.A.2

• 16

• 48

• -28

• 4

Tags

CCSS.HSF.IF.A.2