# Worksheet: Identifying Functions

Q1:

If , then the relation that represents a function on is .

• A
• B
• C
• D
• E

Q2:

If , then the relation that represents a function on is .

• A
• B
• C
• D
• E

Q3:

If , then the relation that represents a function on is .

• A
• B
• C
• D
• E

Q4:

If , then the relation that represents a function on is .

• A
• B
• C
• D
• E

Q5:

If , then the relation that represents a function on is .

• A
• B
• C
• D
• E

Q6:

If is a function on , where , , , , and , which of the following statements is true?

• A
• B
• C
• D
• E

Q7:

If is a function on , where , , , , and , which of the following statements is true?

• A
• B
• C
• D

Q8:

If is a function on , where , , , , and , which of the following statements is true?

• A
• B
• C
• D
• E

Q9:

Which of the following Cartesian diagrams represents a function from to ?

• A(d)
• B(a)
• C(c)
• D(b)

Q10:

Which of the following Cartesian diagrams represents a function from to ?

• A(d)
• B(b)
• C(c)
• D(a)

Q11:

Which of the following relations represents a function from to ?

• A
• B
• C
• D

Q12:

Which of the following relations represents a function from to ?

• A
• B
• C
• D

Q13:

Does the relation shown by the arrow diagram represent a function?

• Ano
• Byes

Q14:

Does the relation shown by the arrow diagram represent a function?

• Ayes
• Bno

Q15:

Does the relation shown by the arrow diagram represent a function?

• Ayes
• Bno

Q16:

Does the relation shown by the arrow diagram represent a function?

• Ayes
• Bno

Q17:

Which of the following relations represents a function?

• ARelation A
• BRelation B

Q18:

Which of the following relations represents a function given that is the input and is the output.