Modeling Quadratic Functions

The table represents which function?

• Linear

• Exponential

• Quadratic

• Cubic

Which function does the equation represent?

• Linear

• Exponential

• Quadratic

• Cubic

Which function is quadratic?

• f(x)

• h(x)

• g(x)

Find the solution(s):
y = x² - 4x + 6
y = x + 2

• (1, 4)

• (-1, 1) and (4, 2)

• (1, 3) and (4, 6)

• (1, 4) and (3, 6)

• 
• 
• 
• 

• A

• B

• C

• D

• E

• A

• B

• C

• D

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function. Which function best models the data?

• A

• B

• C

• D

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function. Which function best models the data?