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4. Let R be the region enclosed by the graphs of y = 4 - x2 and y = 2 - 2x. Sketch the graph of the region enclosed by the graphs of both functions. Use a definite integral to find the area of the region
A. Sketch the region enclosed by x+y2=6 and x+y=0 and decide whether to integrate with respect to x or y, and find the area of the region
B. Sketch the region enclosed by 2y=4(x^(1/2)), y=3 ,and 2y+2x=6 and decide whether to integrate with respect to x or y, and find the area of the region