Functions Notations and Function Families

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• Maybe

• I like circles

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

• I'm Confused

• May I phone a friend?

Tags

CCSS.8.F.A.1

Given f(x) = 2x-3, what is the value of f(4)?

• 7

• 4

• 5

• 1

Tags

CCSS.HSF.IF.A.2

Given f(x) = x² - 1, what is the value of f(10)?

• 100

• 101

• 99

• 9

Tags

CCSS.HSF.IF.A.2

Given f(x)= (2 + x )², what is the value of f(-3)?

• 1

• 25

• -1

• 5

Tags

CCSS.HSF.IF.A.2

Given f(x) = 3(6 -x), what is the value of f(-8)

• -42

• 6

• -6

• 42

Tags

CCSS.HSF.IF.A.2

I am a pro at Functions!!!

• YES!! I should wear a cape like a superhero!!!

• Almost, I am getting better at it though!!

• Sort of, and I will start coming in to tutoring!

• No, and I will cry into my pillow tonight.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

How can you tell a relation is a function?

Tags

CCSS.8.F.A.1