The function f(x) = x^3 has been transformed, resulting in function m. m(x) = 1/3x^3 + 6
as x approaches positive infinity, m(x) approaches (negative positive) infinity
as x approaches negative infinity, m(x) approaches (negative, positive) infinity

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected