Math 1100 21 October, 2013 Homework 18 Name: 1. (10 points) If 3a— 1 , find d j when c key 3 and dx —6 3. 6 dy , 1. cit 2. (10 points) The cost for a company to produce r units of a particular commodity is given by C(x) = 300 -I- 6x -I— 2• Find the rate of change of cost if 200 units are produced and the wumber of units is increasing at a rate of 6 per month. d& . XZOO (3oo 1QX t cL)( .lOO.(