Relations, Domain and Range

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

A relation where every input yields one and only one output is called what?

• Relation
• Linear
• Exponential
• Function

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

The graph shows a function. What is the domain of the graph?

• x ≥ 0
• x ≥ -6
• [0,6]
• [-6,6]

What is the range of the relation shown on the mapping diagram?

• R:{3, 5, 8}
• R:{-7, 11}
• R:{3, 5, 8, 12}
• R:{all real numbers}

For h(x) = x³ + 2x, find h(4).

• 20
• 14
• 64
• 72

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.

In the given relation, what domain value corresponds to the range value -2?
{(-1,2), (-2,4), (2,5), (0,-2), (2,0)}

• -2
• 0
• 2
• 4