1) Given f(x) = In (x2 - 4x + 5) a) Find the domain of f b) Construct a sign chart for f"(x) c) Use the sign chart from part b to determine the intervals on which the graph of each function is concave upward, the intervals on which it is concave downward and find the x, y coordinates the inflection point(s) 2) A rectangular page in a text ( with width x and length y) has an area of 98 in2, top and bottom margins set at 1 in, and left and right margins set at 1/2 in. The printable area of the page is the rectangle that lies within the margins. What are the dimensions of the page that maximize the printable area