Evaluate the function when x= -2, 0 and 5. f(x)= x - 3

For the function, f(x) = -5x 2, find f(-4).

Evaluate the following expression 1/3^2

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.