Auniversity completed a study to determine what effect drinking coffee had on hours of sleep. after studying 1000 people, they concluded that, for every three cups of coffee, a person sleeps two hours less. which of the following graphs shows this linear relationship? a. yb. xc. zd. w

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Which equation matches the graph shown ?

An equation where variables are used to represent known values—function notation true or false