[Solved] Use the method of cylindrical shells to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated axis. Sketch the region and a representative rectangle. \(y = \sqrt { 16 - x ^ { 2 } } , y = - x + 4 ;\) the \(y\)-axis Cognitive Development: The progression of learning and mental processing abilities, including thinking, reasoning, and problem-solving, over time. Desires: Strong feelings of wanting or wishing for something to happen or be the case. Beliefs: Convictions or acceptances that something exists or is true, especially without proof. Cognitive Development: The process of growth and change in intellectual capabilities such as thinking, reasoning, and understanding, throughout the lifespan.