For -1 \le x \le 1, let f(x) = 1 - \sqrt{1 - x^2}. The graph of f(x) is shown below.
The graphs of y = f(x) and y = f(x + 1) enclose a region. What is the area of that region, rounded to the nearest hundredth?
The answer is 0.112.
+665 
