A rectangle has one comer in quadrant I on the graph of y = 1-x , another at the origin, a Answer the following questions. third on the positive y-axis, and the fourth on the positive x-axis (see the figure) (a) Express the area A of the rectangle as a function of x. Ay A(x) = (Simplify your answer.) (b) What is the domain of A? ( x,y) domain = (Type your answer in interval notation.) y =1-x2 X (c) Graph A= A(x). For what value of x is A largest? XN (Round to two decimal places as needed.)