Functions Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

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

• Yes
• No

Tags

CCSS.8.F.A.1

If my function rule is x + 3, what is the OUTPUT if the input is 4?

• 4
• 3
• 7
• 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is 4x, what is the OUTPUT if the input is 5?

• 45
• 54
• 9
• 20

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is x - 5, what is the OUTPUT if the input is 14?

• 9
• 19
• 21
• 1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is x÷3, what is the OUTPUT if the input is 12?

• 9

• 4

• 3

• 36

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is 2x + 1, what is the OUTPUT if the input is 2?

• 5
• 4
• 22
• 23

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

y=x-6

What is the missing number?

• 12

• 10

• 14

• 13

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Level 3 Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Tags

CCSS.6.EE.C.9