Algebraic Functions and Quadratic Functions

• Yes
• No

• Yes
• No

Is this is a function or not a function?

• Function

• Not a Function

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 f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

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

• 100

• 101

• 99

• 9

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

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

• Why is this so easy?

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

• 7

• 4

• 5

• 1