7. What is the end behaviour of the polynomial function f(x) = -3x+6x. 8. Determine the equation of the polynomial function with the following properties: degree 7, . zeros of multiplicity 2 at x = 3 and x = -4, A zero of multiplicity 3 at x = -1, y-intercept (0,-4). 9. Find the equation of a polynomial function which has the graph shown below: 10. Sketch the graph of f(x) = -x+4x2. 11. Sketch the graph of g(x) = 3x (x + 1)3(x+3)