Regents Function Domain Range

What is the range of this function?

• [-2,3]

• (-2,3]

• [-5,4]

• (-5,4]

Is this a function?  Why or why not?

• No, the domain numbers are repeated.

• No, it passes the Vertical Line Test.

• Yes, it passes the Vertical Line Test.

• Yes, the range numbers are not repeated.

What is the range of this function?

• (-∞,+∞)

• (-4,2]

• (-∞,2]

• [2,-∞)

What is the domain of this function?

• [-2,3]

• (-2,3]

• [-5,4]

• (-5,4]

What is the range of this function?

• (-∞,+∞)

• [-3,+∞)

• (-∞,3]

• (-∞,3)

What is the domain of this function?

• (-∞,+∞)

• (-5,3)

• (-∞,3)

• (-3,+∞)

What is the domain of this function?
{(0,2), (3,5), (5,8), (7, 11)}

• {2,5,8,11}

• {0,3,5,7}

• [0,7]

• [2,11]

Is this a function?  Why or why not? 

• Yes, because none of the domain numbers repeated.

• Yes, because none of the range letters repeated.

• No, because 3 goes to A and 4 goes to A.

• No, because A gets used twice.

What is the range of this function?
{(9,8), (7,6), (5,4), (3,2)}

• [3,9]

• [2,8]

• {3,5,7,9]

• {2,4,6,8}

Answer.

• A

• B

• C

• D