In Exercises 37 to 46, find the maximum or minimum value of the function. State whether this value is a maximum or a minimum f(x) = 3x2 - 41

Describing Relationships 3.1 Scatterplots and Correlation The Principles ● Plot the data, then add numerical summaries. ● Look for overall patterns and departures from those patterns. ● When there’s a regular overall pattern, use a simplified model to describe it. Explanatory and Response Variables ● A response variable measures an outcome of a study. An explanatory variable may help explain or predict changes in a response variable Displaying Relationships: Scatterplots ● The most useful graph for displaying the relationship between two quantitative variables is a scatterplot. ● values of one variable appear on the horizontal axis, and the values of the other variable appear on the verti