Problem #1 *. Compute the area A between two curves y1(x) and y2(x): 2 yltx) = x? + 4; w) = x/Fc. (25 %) Problem #2. Find the arc length of the graph of the function over the indicated interval: 2 y = got1)\Problem #4. Write and evaluate the definite integral that represents the area of the surface generated by revolving the "curve" on the indicated interval about the x-axis: y = 3x, 0