Use the graph of the function y =f(x) below to answer the questions. 3- 27 -3 -2 2 (a) Is f (1) negative? 0,0,... (0,0) (0,0] Yes O No (b) For which value(s) of x is f(x) > 0? [0,0) [0,0] OVO Write your answer using interval notation. (c) For which value(s) of x is f (x) = 0? X ? If there is more than one value, separate them with commas