Linear Quadratic Exponential Regression

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

Which type of regression model does the scatter plot appear to show?

• linear

• exponential

• quadratic

Which type of regression model does the scatter plot appear to show?

• linear

• exponential

• quadratic

Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.

• f(x) = -18x² + 2.11x + 4.21

• f(x) = -.06x² +1.06x + 7.9

• f(x) = -6x² +1.06x + 79

• f(x) = -.12x² + 2.11x + 4.22

Predict the height of the ball in feet after having traveled a distance of 19 feet.

• 3.1 ft

• 1.8 ft

• 2.1 ft

• 0.2 ft

A scientist observes the weight, y, of a 100-gram sample decay every week, x. Determine which exponential regression best models the data in the table.

• y = 100(8.7)^x

• y = 100(1.87)^x

• y = 100(.87)^x

• y = 100(.13)^x

What function model best represents the data in the table?

• linear

• exponential

• quadratic

What function best models the data in the table?

• linear

• exponential

• quadratic

Identify the following function. 

• Linear

• Exponential

• Quadratic

• Neither

This is a _______________ function.

• Linear

• Exponential

• Quadratic