TEKS.MATH.8.5G

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

Tags

TEKS.MATH.8.5G

TEKS.MATH.9-12.VII.A

Evaluate f(x) = x+3 for f(-2)

• -1
• 1
• 5
• -5

Tags

TEKS.MATH.8.5G

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

TEKS.MATH.8.5G

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

TEKS.MATH.8.5G

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Not a Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Not a Function

Tags

TEKS.MATH.8.5G

Which of the following is the correct equation for the given graph?

• f(x) = -(x + 2)² - 4
• f(x) = (x - 2)² - 4
• f(x) = -3(x - 2)² - 4
• f(x) = -3(x + 2)² - 4

Tags

TEKS.MATH.8.5G

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

TEKS.MATH.8.5G

Which function is graphed?

• f(x) = 2|x + 2| - 3
• f(x) = |¹/₂x + 2| - 3
• f(x) = |¹/₂x + 3| - 2
• f(x) = 4|¹/₂x + 3| - 2

Tags

TEKS.MATH.8.5G

TEKS.MATH.9-12.VII.A

Does the function y = (x+2)² have a maximum or minimum?

• Maximum

• Minimum

• Both

• Neither

Tags

TEKS.MATH.8.5G

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)

• (-4,8) - (9,-2)

Tags

TEKS.MATH.8.5G