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In this lesson, we will learn how to identify and represent a function.

Q1:

If π is a function on π , where π = { 2 , 4 , 7 , 9 } , π ( 2 ) = 9 , π ( 4 ) = 2 , π ( 7 ) = 4 , and π ( 9 ) = 7 , which of the following statements is true?

Q2:

If π is a function on π , where π = { 5 , 7 , 9 , 1 0 } , π ( 5 ) = 7 , π ( 7 ) = 5 , π ( 9 ) = 9 , and π ( 1 0 ) = 1 0 , which of the following statements is true?

Q3:

If π is a function on π , where π = { β 7 , β 6 , β 4 , β 2 } , π ( β 7 ) = β 6 , π ( β 6 ) = β 4 , π ( β 4 ) = β 7 , and π ( β 2 ) = β 2 , which of the following statements is true?

Q4:

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

Q5:

Q6:

Q7:

Q8:

Which of the following relations represents a function?

Q9:

Determine whether the following statement is true or false: The given figure represents a function.

Q10:

Which of the relations shown by the set of the ordered pairs below does not represent a function?

Q11:

Which of the following relations represents a function from π to π ?

Q12:

Q13:

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

Q14:

Given that π = { 2 , 3 , 4 } , which of the following relations defines a function on the domain π ?

Q15:

Given that π = { 8 , 9 , 1 0 } , which of the following relations defines a function on the domain π ?

Q16:

Given that π = { 4 , 5 , 6 } , which of the following relations defines a function on the domain π ?

Q17:

Given that π = { 1 3 , 1 4 , 1 5 } , which of the following relations defines a function on the domain π ?

Q18:

Given that π = { 1 , 2 , 3 } , which of the following relations defines a function on the domain π ?

Q19:

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

Q20:

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