Choosing Linear Quadratic or Exponential Model

Choose all the equations that are exponential:

• y = 6x -5

• y = 8^x - 9

• f(x) = 3x² + 4

• y = 1/3^x

• y = 7x³

Which kind of function has the same First Differences

• Linear

• Quadratic

• Exponential

• Absolute Value

Which kind of function has the same Second Differences

• Linear

• Quadratic

• Exponential

• Absolute Value

Which kind of function has the same Common Ratios

• Linear

• Quadratic

• Exponential

• Absolute Value

Pick a function that best models the following situation:  A babysitter getting paid hourly.

• Exponential

• Linear

• Quadratic

• Neither

This is a _______________ function.

• Linear

• Exponential

• Quadratic

This is a _______________ function.

• Linear

• Exponential

• Quadratic

Is the table linear, exponential, or quadratic?

• Linear

• Exponential

• Quadratic

• none of these

This is a ________________ function.

• Linear

• Exponential

• Quadratic

This is a _______________ function.

• Linear

• Exponential

• Quadratic