Quiz 3

What is the definition of a function?

• Has inputs and outputs

• Inputs have different outputs every time

• x-values and

  y-values

• Every input has only one output

• Yes
• No

Is this is a function or not a function?

• Function
• Not a Function

Which set of ordered pairs 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)}

• Function
• Not a Function

What is the DOMAIN?

• -2 ≤ x ≤ 3

• -2 < x ≤ 3

• -2 ≤ x < 3

• -2 < x < 3

What is the RANGE?

• 0 ≤ x < 3

• 0 < y ≤ 3

• -2 ≤ y < 1

• -2 ≤ y ≤ 1

Is the graph pictured discrete or continuous?

• Discrete
• Continuous

What is the domain of the graph?

• -3 ≤ x ≤ 3
• 3 ≤ x ≤ -3
• -2 ≤ x ≤ 10
• -3 ≤ x ≤ 10

What is the range of the graph?

• -2 < y < 10
• -3 < x < 3
• -2 ≤ y ≤ 10
• -3≤ x ≤ 3