The length of time in hours of two airplane flights are represented by the following functions, where x is the number of miles for the flight:

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.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]