OOPS!! On homework 10 I forgot to DRAW THE GRAPH in problem 14
with my pen!!

Here is a typewriter version of that graph!!!

                                                    y=F'(x)
                                y                    *
                                |                   *
                 ***            |                  *
               **   **          |                 *
             **       **        |                *
            *           *       |               *
           *             *      |              *
          *               *     |             *
         *                 *    |            *
--------*-------------------*---+-----------*---------------->x
       *                     *  |          *
      *                       * |         *
     *                         **       **
    *                           |**   **
   *                            |  ***
  *                             |
 *                              |
*                               |