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3. a.) (2 points) What is the domain of the graph (Write your y answers in interval notation)? a b.) (2 points) What is the range of the graph (Write your answers in interval notation)? -9 -6 -4 -2 6 X Do. c.) (2 points) Does this graph represent a function, and explain your answer? d.) (2 points) Find f (3) = e.) (2 points) Find all x-values such that f (x) = 3