Use the graph of the function y=f(x) below to answer the questions. -3 (a) Is f(3) positive? (0,0) (O OYes O No [0,0) [0,0) (b) For which value(s) of x is f(x) =0? If there is more than one value, separate them with commas. (c) For which value(s) of x is f (x) <0? Write your answer using interval notation.

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