Question 1/ The weekly Marginal cost of Producing a pair of tennis shoes is 400 C' (x) = 15 + 2 + 6 Where C() is the cost in dollars and I is thousands of shoes produced. a) Integrate the marginal cost to find the cost function C(I)= + b) Given an intial cost of $2000 find a function for the cost C() = c) The total cost after of producing 8,000 shoes would be