True Sunshine Dawei

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

The following relation is a function.

{(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)}

• True

• False

Determine the type of relation for the ordered pairs below and hence determine whether it is a function.

{(1, 3), (2, 4), (3, 5), (3, 6)}

• One to one

• One to many

• Many to one

• Function

• Not function

Which of the following correspondence describes a FUNCTION?

Choose ALL that is/are applicable.

• many-to-one

• many-to-many

• one-to-many

• one-to-one

Which of the relations below is a function?

• {(1, 1,), (2, 1), (3, 1), (4, 1), (5, 1)}

• {(2, 1), (2, 2), (2, 3), (2, 4), (2, 5)}

• {(0, 2), (0, 3), (0, 4), (0, 5), (0, 6)}

A way to name a function that is defined by an equation. "Replace "y" with "f(x)"

• function notation

• relation

• function

• mapping

When f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3

• 4x²+3

• 2x²+3

• 2x²+6

For the given sets A and B, which statement is true?

• A ⊂ B

• B ⊂ A

• A = B

• A^' = B

The vertical axis on a coordinate plane is called......

• the origin

• the y-axis

• the x-axis

• the range

• Function
• Not a Function