4- Consider the function f(x) = x4 + x - 5. Do the following transformations. For each transformation, use python to graph the function. a) Shift the curve horizontally to the left by 2. b) Make a horizontal shift to the right by 2 combined with a vertical shift up by 2. c) Reflect about the x-axis. d) Reflect about the y-axis. e) Stretch vertically by a factor of 3. f) Shrink vertically by a factor of 3