\fQuestion 11 1 pts Find all the horizontal asymptotes of the function f(x) = x tan Show and explain your work. Upload Choose a FileQuestion 7 1 pts With today's technology and powerful computers, it is often tempting to think that the curve sketching process is not needed anymore. However, basing our conclusions on a sketch from a computer screen can be risky. That is the case, for instance, with the function f(x)=x4-408x*+3600x2 . Graphing f properly on the screen, in a way that shows its extreme and inflection points is quite difficult. (a) Calculate f and find the x-values of its local extreme points. (b) Calculate f" and find the x-values of its points of inflection (round your answer to two decimals). (c) Draw a sketch of the graph of f , that clearly shows extreme and inflection points. Upload Choose a File\fQuestion 9 1 pts Suppose that f(x) is a continuous function on the interval [0 , x] . If f(x) =(sin x)* for 0