(1 point) Suppose that P2(x) -a + bx + cx is the second degree Taylor polynomial for the function f aboutx0. What can you say about the signs of a, b, c iff has the graph given below? (For each, enter if the term is positive, and - if it is negative. Note that because this is essentially multiple choice problem it will not show which parts of your answer are correct or incorrect.) a is b is c is