The Ordering and Transportation Cost C for the Components Used

Multiple Choice

The ordering and transportation cost C for the components used in manufacturing a product is , where C is measured in thousands of dollars and x is the order size in hundreds. Find the rate of change of C with respect to x for . Round your answer to two decimal places. ​

A) -6.20 thousand dollars per hundred
B) 7.41 thousand dollars per hundred
C) 3.13 thousand dollars per hundred
D) -5.03 thousand dollars per hundred
E) -8.02 thousand dollars per hundred