M1 T1 Test Review

Is this mapping a function and how can you tell?

• Yes its a function cause all the numbers have lines

• No it's not a function because there a 5 in both ovals

• No it's not a function because the x value 5 has 2 outputs.

• No it's not a function because the y value 5 has 2 inputs.

Tags

TEKS.MATH.8.5G

TEKS.MATH.A.12A

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Tags

TEKS.MATH.A.12A

What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• {-4, 4, 8, 9}
• {-2, 3, 8, 10}
• {(9, -2) ( 4, 3)}
• {(8, 10) (-4, 8)}

Tags

TEKS.MATH.2A.2A

TEKS.MATH.2A.6K

TEKS.MATH.2A.7I

TEKS.MATH.A.2A

TEKS.MATH.A.6A

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D: {-4, 0, 1, 2}
  R:{-4, -3, 1}
• D: {0, 1, 2, 3, 4}
  R:{1, -3, -4}
• D: {0, 1, 2, -4}
  R: {1, -3, -4, 1}

Tags

TEKS.MATH.2A.2A

TEKS.MATH.2A.6K

TEKS.MATH.2A.7I

TEKS.MATH.A.2A

TEKS.MATH.A.6A

What variable typically represents the domain?

• x

• y

What variable typically represents the range?

• x

• y

What is the domain?

• {1, 2, 3, 4, 5, 6}

• {0, 1, 2, 3, 4, 5, 6}

• {2, 4, 8}

• {-1, 0, 1, 2, 3, 6}

What is the range?

• {1, 2, 3, 4, 5, 6}

• {0, 1, 2, 3, 4, 5, 6}

• {2, 4, 8}

• {-1, 0, 1, 2, 3, 6}

The set of all the inputs of a relation are called _____.

• domain

• range

The set of all the outputs of a relation are called _____.

• domain

• range