12 10 85 6 y 12h 10 12 10 8 61 25 10 20 30 40 50 O 10 20 30 40 50 y 12 10 8 8 6 6 10 20 30 40 50 10 20 30 40 (b) Solve for the input value(s) at which the graphs of f and g intersect. (Round your answer to three decimal places.) x=20.901 (c) Calculate the area of the region between the graph of f and the horizontal axis from a to b minus the area of the region bet the graph of g and the horizontal axis from a to b. (Round your answer to three decimal places.) 149.394 (d) Calculate the total area of the shaded region(s). (Round your answer to three decimal places.) 54.203 x