Revision 7A

The graph represents the amount of Seth’s paycheck for different numbers of hours he works.

Identify the independent and dependent variables of the relation.

• Independent variable: Paycheck in $

  Dependent Variable: Number of hours

• Independent variable: Number of hours

  Dependent Variable: Paycheck in $

The domain and range of the relation {(3, –2), (1, 0), (–2, 4), (3, 1)} are:

• Domain: {3, 1, -2, 3}

  Range: {-2, 0, 4, 1}

• Domain: {-2, 0, 4, 1}

  Range: {3, 1, -2, 3}

The height of an elevator above the ground is given in the graph. Is this a continuous or discrete function?

• Continuous

• Discrete

• neither continuous nor discrete

Is this relation a function?

• Function

• Not a function

Does this graph represent a continuous or a discrete function?

• Continuous

• Discrete

Using the vertical line test, does this graph represent a function?

• Function

• Not a function

If f(x) = 3x + 2 , f (20) =

• 62

• 66

Is the function represented by this graph linear or non linear?

• Linear

• Non linear

Is this function linear or non linear?

• Linear

• Non linear

Is this function linear or non linear?

• Linear

• Non linear