the cost in dollars of manufacturing w wing nuts is given by the expression 0.07w+13.3. find the cost when 375 wing nuts are made. What is the average cost to manufacture one wing nut?
well the answer to part a) is plugging the number 375 into the equation, namely w=375, so the cost of making 375 wing nuts is equal to 0.07(375)+13.3,
for the second part, divide the answer by the number of nuts made, which is the standard procedure for computing arithmetic means...