posted by Chris .
1) Can someone tell me how the write 4x^3 + y^2 - 4y + 36=0 in standard equation (solve for y and complete the squares).
2) A pencil manufacturer determines that the daily cost c in dollars of producing n dozen pencils is given by c=(n^2/25,000) - (2n/5) +40000.
a) How many dozen pencils hsould be produced per day to minimize the cost?
b)What is the minimum cost? Explain how you got this?