Linear Quadratic Exponential Situations

Which of the following equations matches the table shown?

• y = 6.2x² + 300

• y = -6.2x² + 300

• y = -6.2x² - 300

• y = 6.2x² - 300

Which of the following equations matches the table shown?

• y = 7.5x² + 20

• y = -15x + 20

• y = 15x + 20

• y = 7.5x + 20

Which of the following situations can be modeled using a quadratic function?

• Walking up a staircase

• Cliff jumping into a lake.

• A sprinter running the 100 yard dash

• None of the above

What type of function can be used to model the data given in the table?

• Linear

• Quadratic

• Exponential

• None of the above

What function model best represents the data in the table?

• linear

• exponential

• quadratic

One characteristic of all linear functions is that they change by

• equal factors over equal intervals

• unequal factors over equal intervals

• equal differences over equal intervals

• unequal differences over equal intervals

Which of the three situations given below is best modeled by an exponential function?

• I, only

• II, only

• I and II

• I and III

r(-2) = ?

• r(-2) = -12

• r(-2) = -8

• r(-2) = -4

• r(-2) = -2

Identify the function family.

• Linear

• Exponential

• Quadratic

• Constant

Which situation is not a linear function?

• A gym charges a membership fee of $10.00 down and $10.00 per month.

• A cab company charges $2.50 initially and $3.00 per mile.

• A restaurant employee earns $12.50 per hour.

• A $12,000 car depreciates 15% per year.