Derivatives -- Determining the Derivative of a Function as a Limit -- Answers

  1. f'(x) = -1/x^2.

  2. f'(x) = 3x^2 - 1.

  3. f'(x) = m.

  4. f'(x) = 2ax + b.

  5. f'(x) = cos x.

  6. f'(x) = -sin x.

Copyright c 1995 by Frank Wattenberg, Department of Mathematics, Carroll College, Helena, MT 59625