5. (a) Carefully sketch (and shade) the (finite) region R in the first quadrant which is bounded above by the (inverted) parabola y = 1(10 – x2), bounded on the right by the straight line 1 = 5, and is bounded below by the horizontal straight line y = 9. (b) Write down an integral (or integrals) for the area of the region R. Answer:

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