When selecting a sample, you assign every possible unit in the corresponding population a number. you then generate a set of random numbers and include the units with those numbers in your sample. this is an example of?

i do not know this sorry : (

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.