Mathematics

Carmen Whitney

7 June, 17:10

1.

What are the domain and range of the function?

this is a chart::

X Y

-2 - 8

-1 - 1

0 0

1 1

2 8

3 27

A.

Domain: {-2, - 1, 0, 1, 2, 3}; Range: {-8, - 1, 0, 1, 8, 27}

B.

Domain: {-8, - 1, 0, 1, 8, 27}; Range: {-2, - 1, 0, 1, 2, 3}

C.

Domain: {0, 1, 2, 3, 8, 27}; Range: {-8, - 2, - 1}

D.

Domain: {-2, - 1, 0, 1, 8, 27}; Range: {-8, - 1, 0, 1, 2, 3}

2. Which relation is a function?

A.

{ (-5, 1), (4, 9), (6, 10) }

B.

{-2, 10), (-6, 10), (-2, 3) }

C.

{ (0, 3), (0, 9), (12, - 4) }

D.

{ (5, 5), (5, 9), (5, 15) }