Relations and Functions

Use the relation:

M = {(3, 6), (4, 4), (3, 4), (5, 8)}

What is the Domain of set M?

• {4, 6, 8}

• {3, 4, 5}

• (3, 4, 3, 5}

• {6, 4, 4, 8}

Use the relation:

M = {(3, 6), (4, 4), (3, 4), (5, 8)}

What is the range of Set M?

• {4, 6, 8}

• {3, 4, 5}

• {3, 4, 3, 5}

• {6, 4, 4, 8}

What type of correspondence is the mapping?

• One-to-one Correspondence

• Many-to-one Correspondence

• One -to-many Correspondence

• Many-to-many Correspondence

Which of the following relations is NOT the same as {(3, 6), (4, 4), (3, 4), (5, 8)}?

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What type of presentation is shown in the figure?

• Set of ordered pairs

• Table of values

• Mapping Diagram

• Graph

What is TRUE about the representation of relation below?

• There is just one value for the range

• There is just one value for the domain

• The domain consists of -1, 0, 1, 2 and 3

• All points are on the y-axis

Which of the following relations is NOT a function?

• The relation of a students to its identification number in school

• The relation of a child to its grandmother

• The relation of a country and its incumbent president

• The relation of a teacher to its students

Which of the following graph is NOT a graph of function?

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In the situation: The human hair grows 0.5 mm per day, and in a certain number of days (n) since your last haircut how long will your hair grew (g)? Which of the following is the independent variable?

• the haircut

• length of hair

• number of days

• 0.5mm

Which of the following equations is appropriate for the relationship between the variables in the table?

• $y=2x$

• $y=x+2$

• $y\ =\ x\ -\ 4$

• $y\ =\ x^2$