Sets, Relations, Functions

1What can be a definition of function? 1.

A set of ordered pairs is called what?

• Each input has outputs

• Each input has exactly one output

• A list of x-values and y-values

• Each output has exactly one input

A set of ordered pairs is called what?

• An Expression

• A Vertical Line Test

• A Function

• A Relation

True or false?

• True

• False

• There is not enough information to determine

• No, each input is the same as the output

• Yes, it is a one-to-one relation

• K > L

• L is Half of K

• L = 2K

• K is the Square of L

What is the range of the above diagram

• {2, 3, 4, 5, 6}

• {1, 2, 3, 4, 5}

• {1, 2, 3, 4, 5, 6}

For the graph shown, which point has coordinates (-2, 4)?

• A

• B

• D

• E

For the relation {(1, 2), (2, 4), (3, 6), (4, 8)}

State the domain.

• {1, 2, 3, 4}

• {2, 4, 6, 8}

• (1, 2)

• (1, 2,3, 4, 6, 8}

The diagram shows the elements in each of the set, state the number of elements in the Universal Set.

• 9

• 7

• 4

• 3

The Venn Diagram represents the set cardinality of each set. which statement is true?

• n(T) = n(O)

• n(T U O) = 60

• $n\ \left(T\ \cap\ O\right)\ =\ n\ \left(T\right)\ +\ n\ \left(O\right)$

• $n\left(T\ \cap\ O\right)\ =\ 30$