Intro to Functions Memory Activation

A function crosses a vertical line exactly one time.

• True

• False

The first number in the t-table corresponds to x.

• True

• False

Does this relationship represent a function? {(-1,2), (3,5), (4,2)}

• Yes

• No

Does the following relationship represent a function? {(0,0), (0,7), (-2,4)}

• Yes

• No

The domain corresponds to the y-coordinate.

• True

• False

In the ordered pair (x,y), x is the input.

• True

• False

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

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is it a function?

• Yes
• No

Tags

CCSS.HSF.IF.A.1