Quadratic Equations That Model the Data

Identify the following function. 

• Linear

• Exponential

• Quadratic

• Neither

This is a _______________ function.

• Linear

• Exponential

• Quadratic

Is this table linear, quadratic, exponential, or none of the above?

• linear

• quadratic

• exponential

• none of the above

What type of function is f(x) = 2(x+4)²-7?

• exponential decay

• linear

• exponential growth

• quadratic

• A

• B

• C

• D

• A

• B

• C

• D

• F

• G

• H

• J

(a)  

• F

• G

• H

• J

Which function best models the data?

• F

• G

• H

• J

The scatterplot and table show the weekly profit in dollars earned from the sale of pastries at seven different prices. The data can be modeled by a quadratic function.

Which function best models the data?