2+5x3x2 4.Given the function f (x) = 2 . x + 6x 7 a. Find the horizontal and vertical asymptotes b. Find the x and y intercept(s). 5. Find the absolute maximum and the absolute minimum of f (x) = )1:3 6x2 15x when 2 s x S 4. 6. A rectangular box with an open top is to be constructed from a S-in.-by-8-in. piece of cardboard by cutting out a square from each of the four corners and bending up the sides. What should be the size of the square cut from the corners so that the box will have the largest possible volume