Functions and Notations

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Is this a function?

• Yes

• No

• Maybe

• I like circles

If g(x) = 6(-8x + 12) + 7, what is the value of g(6)?

Mathematical Equivalence

ON

Is this a function?

• Yes

• No

• I bet Ms. Byrd is laughing at me? maybe it's a trick!

• Why is this so easy?

Is this a function or not a function?

• Function

• Not a Function

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.

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

• Yes
• No

• Yes
• No