Into Relations and Functions

The table shown is:
(hint: find the rate of change)

• proportional function.

• linear function.

• non linear function.

• Not a function.

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

Is this a function? 

• Yes

• No

Is this graph a function or not a function? 

• Function 

• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

Is this graph a function or not a function? 

• Function

• Not a Function

• Function
• Not a Function

If A = { 1,2}, B = {1,2,3,4}, C = {5,6}, D = {5,6,7,8}then state which of the following statement is true.

• (A x C) ⊂ (B x D)

• (B x D) ⊂ (A x C)

• (A x B) ⊂ (A x D)

• (D x A) ⊂ (B x A)

If there are 1024 relarions from a set A = {1,2,3,4,5} to a set B, then the number of elements in B is

• 3

• 2

• 4

• 8