Someone, please help me with my maths work.

1 1. Let f(x) = 3H5 plugging h = 0 would be allowed. . Simplify the difference quotient expression as much as possible so that 2. Given the multipart function x4 ,x 0 a) Sketch the graph of f(x) (label the important points). b) Solve for x the equation 1' (x) = 1 . 3. Bobby has a piece of sheet steel in the shape shown below. The dimensions are in centimeters. Bobby wants to make a vertical out at a location x cm from the left edge and the length of the out is labeled y. a) Express the area to the left of the cut as a multipart function of x. b) At what x value would the cut need to be made in order to out the steel sheet in half