1. Find a first-degree polynomial function P1 whose value and slope agree with the value and slope of f at x = c.
f(x) =9 / √x, c =1.
2 A solid is generated by revolving the region bounded by the following about the y-axis.
y= x2 / 8
y = 8
3. A hole, centered along the axis of revolution, is drilled through this solid so that one-fourth of the volume is removed. Find the diameter of the hole. (Round your answer to three decimal places.)