Study Guide

Is this mapping a function or not a function? 

• Function
• Not a Function

If f(x) = 3x + 1, then what does f(2) =

• 5

• 6

• 7

• 8

Identify the domain of the following relation:

• -6, 14, 2, 28
• (-6,14), (0,32), (2,38), (4,44)
• -6, 0, 2, 4
• 14, 32, 38, 44

What is the range of the following graph?

• all real numbers
• all integers
• any real number greater than zero
• it can not be determined

What is the Range?

• y ≥ 6

• -10 ≤ y ≤ 6

• -10 ≤ x ≤ 6

What is the domain of this graph?

• {-2 ≤ x ≤ 4}

• {-5 ≤ x ≤ 4}

• {-4, 0, -2}

• {-4 ≤ x ≤ 2}

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

What is the RANGE of this graph?

• -7 < x < 5

• -7 ≤ y < 5

• -3 < x < 1

• -3 ≤ y < 1

What is the equation of the table?

Write the equation that created this table.

• y = 3x - 9

• y = 3x + 3

• y = -3x + 3

• y = 6x + 5