# Understanding and applying statistical models (linear, quadratic, and exponential) – Practice ProblemsHaving fun while studying, practice your skills by solving these exercises!

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Statistical models are useful tools to assist us in representing a set of data, usually represented in visual or graphical form, approximating a general trend and allowing prediction based from this approximation. Learn more about statistical models and how they are represented by helping Phillipe Rolox decide which of his two children will inherit his watch business. Common Core Reference: CCSS.MATH.CONTENT.HSF.LE.A;3

Exercises in this Practice Problem
 Construct the corresponding function. Determine the ratio of the $y$ values. Plot the points from the graph and determine if it is linear, quadratic, or exponential. Determine the corresponding function. Explain how to distinguish the several functions. Determine if the table represents a linear, quadratic, or exponential function.