An advantage of field research is a. hypotheses can be rigorously tested. b. it enables the researcher to draw statistical conclusions about the population. c. it always employs the newest form of technology. d. social processes can be studied over time. e. the researcher can control the variables under study.

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.

its a i did it myself

step-by-step explanation:

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