LQ 1 (1st Quarter)

Question 1

When do you know if a relationship exists?

Answer 1

• connection

- correspondence

Question 2

What is an example of a relation?

Answer 2

-old cellphones (letter to number)

Question 3

What are RELATIONS?

Answer 3

-relationship/correspondence bet. SETS OF INFORMATION

Question 4

What are the types of relations?

Answer 4

• one to one
• many to one
• one to many

Question 5

what is the format of writing the relation?

Answer 5

independent to dependent

Question 6

Is the independent variable the input or output?

Answer 6

INput

Question 7

how are relations presented?

Answer 7

• arrow diagram
• graph
• table of values
• equation
• set of ordered pairs

Question 8

What is the DOMAIN?

Answer 8

-all values of X

Question 9

What is the RANGE?

Answer 9

• resulting values of X

- kapair ni X na Y variable

Question 10

What is the CODOMAIN?

Answer 10

-all allowable values of Y

Question 11

When are Relations considered FUNCTIONS?

Answer 11

• one to one

- many to one

Question 12

What is a subset of a relation?

Answer 12

Function

Question 13

How would you know if a graph is a function?

Answer 13

• intersects two points

- vertical line test

Question 14

Can an equation be a function if it has y^2?

Answer 14

No because it would have posi and neg values

Question 15

how do you write inequalities?

Answer 15

• inequality
• graph
• set builder notation
• interval notation

Question 16

What is the symbol for an open interval?

Answer 16

()

Question 17

what is the symbol for the closed interval?

Answer 17

[]

Question 18

when do you know if its an intersection?

Answer 18

“and”

Question 19

when do you know if its a union?

Answer 19

“or”