Please help with these two practice math questions. Show work.

1. For the following price and cost functions p=25 0.01x C(x)=2x + 9,000 a) Find Revenue and Prot functions b) Find the Marginal prot function c) Find the minimum average cost d) Find the break even point A manufacturer's total cost is C(q) = 0.001q3 0.05q2 + 40q + 4000 dollars, where q is the number of units produced. a) Use marginal analysis to estimate the cost of producing the 251St unit b) Compute the actual cost of producing the 2515t