1) State the formula for the arc length and give an example using that formula. 2) Find the length of the curve y = ½(9x² + 6) ²³ from x = 0 to x = 3 3) State the formula for the surface area and give an example using that formula. 4) Find the area of the surface generated by revolving the curve y = √2x - x², .25 ≤ x ≤ 1.5 about the x axis

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