Homework t5

question 3

Find the amount A in an account after t years given the following conditions. dA = 0.07A dt A(0) = 1,000 A(t) =Calculate 9x dx, given the following. 8 5 CO x dx = 4.5 x2 dx = 61 3 x2dx = 129 A 4 5 9x 2 dx = 8 (Type an integer or a simplified fraction.)The weekly marginal cost of producing x pairs of tennis shoes is given by the following function, where C(x) is cost in dollars. 500 x+1 C'(x)= 12+ If the xed costs are $3,000 per week, nd the cost function. What is the average cost per pair of shoes if 1,000 pairs of shoes are produced each week? E) The cost function is C(x) = D. If 1,000 pairs of shoes are produced each week, the average cost per pair of shoes is $D. (Round to the nearest cent as needed.)