4. Consider the rectangle bounded by x = 1 and x = 4 on the y-interval [3, 3.5]. (a) What is the volume of the disk obtained by rotating this rectangle around the line x = 4? (b) What is the volume of the washer obtained by rotat- ing this rectangle around the y-axis?

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Q: 1/ Find the area of the region enclosed between the curves y= 2x+10 and y=4x+16 and ,x=-2 and x-5?…

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