3. The graph below is the graph of the derivative function f' of a function f. Y 4 2 my 2 -4 'f' For each of the statements below (about the function f) decide whether they are correct, wrong or cannot be decided upon with the given information. (You only need the graph to do this: do not try to find a function equation for the function f.) a. f(0) is positive; b. f(2.5) > f (3); c. f has a local minimum at -4; d. on the interval [-1,1], the graph of f is concave down.

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