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Length of an arc and surface area of a function

2. Find the length of the arc of the curve y=f(x) on the intervals given: {see attachment}

3 and 4. Find the length of the curve defined by: {see attachment}, between the points: {see attachment}

5. Find the surface area generated when the graph of each function on the interval is revolved about the x-axis. (Give answer to nearest hundredth) {see attachment}