Exponential, Linear, or Quadratic

In the first year of an annual 5K run there were 120 participants. In the 2nd and 3rd year of the 5K run, there were 180 and 270 participants respectively. This situation is best modeled by a(n) ________________ function.

• Linear

• Quadratic

• Exponential

• None of the above

How should this function be classified?

• Linear

• Exponential

• Quadratic

• None of the above

Given the chart, which function is represented?

X Y

-3 0.015625

-2 0.0625

-1 0.25

0 1

1 4

2 16

3 64

• Linear

• Quadratic

• Exponential

• None of the above

How should the function be classified?

• Linear

• Exponential

• Quadratic

• None of the above

How should this function be classified?

• Linear

• Quadratic

• Exponential

• None of the above

Maggie is knitting blankets for the residents of a local nursing home. She already has 6 blankets completed. After one week, Kay has 8 blankets. After two weeks, Kay has 10 blankets. Kay's scenario is best represented by a _______________ function.

• Linear

• Quadratic

• Exponential

• None of the above

True or False: All increasing exponential functions eventually exceed all increasing linear functions.

• True

• False

Which function increases faster: f(x) = 4x or g(x) = 3^x ?

• f(x)

• g(x)

• Neither - they increase at the same rate

A machine salesperson earns a base salary of $40,000 plus a commission of $300 for every machine he sells. Which best describes this function?

• Linear

• Quadratic

• Exponential

• None of the above

Which function best models the situation: The speed of a roller coaster from start to finish

• Linear

• Quadratic

• Exponential

• None of the above