Aresearcher is interested in estimating the average salary of police officers in a large city. she wants to be 99% confident that her estimate is correct. if the standard deviation is $1050, how large a sample is needed to get the desired information and to be accurate within $200?

Given the functions, fx) = x^2-4 and g(x) = x+ 2, perform the indicated operation. when applicable, state the domain restriction. f(g(x))

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image

Which phrase generalizes the specific terminology bolded in the text?