hi, please i need help with question 2 and 3.

15 2. Given f(x) = x + 4x3 - 7x2 - 34x - 24 a) Construct finite differences. Identify where finite differences is constant b) What is the constant differences c) Number or local maximum and local minimum d) Local Maximum and Local Minimum points e) x and y intercepts 76 3. Describe the key features of the Graph of Polynomial Functions with Odd Degree and with Even Degree with both positive and negative leading coefficients in point form