Questions 17 and 18 ref information 17 C x 3x 75 R x 8x The cost of manufacturing a product and the revenue generated by that product are functions of the number of products manufactured and sold The functions above are the cost and revenue functions for a certain product The function C x gives the cost in dollars of manufacturing x products and the function R x gives the revenue in dollars generated when those x products are sold How many units of product must be manufactured and sold in order for the cost of manufacturing a product to equal the revenue generated by selling the product A 8 B 10 C 12 D 15 How will the cost of manufacturing change if 5 Editional units of product are manufactured The cost will decrease by 15 The cost will increase by 3 The cost will increase by 15