c. Use your table to complete the following.At the negative critical value listed in part b, what does your table tell you about the value of the second derivative?f"=(Type integers or simplified fractions.)Consequently, what can be concluded about the graph of f? Select the correct choice below and, if necessary, fill in the answer boxes within your choice.A. The graph of f is concave down and f has a relative maximum atB. The graph of f is concave down and f has a relative minimum atCc. The graph of f is concave up and f has a relative minimum atD. The graph of f is concave up and f has a relative maximum at (ion can be made