Function Notation

Is the relation a function? Why?

• Yes, because the x-value 11 has two y-values paired 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 paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Select ALL of the functions.

• { (a,z) , (b,z) , (c,z) }

• 
• 
• 

Tags

CCSS.8.F.A.1

Anika is tracking the growth of a plant over several weeks. The graph shows the height of the plant, h, in centimeters, over time in weeks. What is the height of the plant at week 3?

• 0 cm

• 2 cm

• 6 cm

• 1 cm

Tags

CCSS.8.EE.B.5

If f(x) = 3x - 9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Tags

CCSS.HSF.IF.A.2

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x - 3

• Can't be written in function notation

Tags

CCSS.HSF.IF.A.2

How do you read f(x)?

• "f x"

• "f of x"

• "f parenthesis x"

• "f with an x inside parenthesis"

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Mikayla is tracking her savings (money) over time (days).

What would g(7) = 14 represent?

• 2 days $7

• 7 days $2

• 14 days $7

• 7 days $14

Tags

CCSS.HSF.IF.A.2

Find f(2)

• 5

• 4

• 3

• 0

Tags

CCSS.HSF.IF.A.2

Find
f(x) = 5

Tags

CCSS.HSF.IF.A.2

Given f(x) = -2x + 10, find f(-3).

Tags

CCSS.HSF.IF.A.2