Problems

In Problems 1-9, evaluate the given expression.

Find the derivatives in Problems 14-25.

In Problems 30-47 evaluate the integrals.

48           Find the area of the region bounded by the x-axis and the curve, -1 < x < 1.

49           Find the area of the region under the curve , 1 ≤ x < ∞.

50           Find the area of the region bounded below by the line y = ½ and above by the curve y = 1/(x² + 1).