11. [ 12. [ ; .¹ Simplify 8(2x - 3)- 4(5x – 7) Solve the equation 3(2x - 5) 2 (7x + 9) = 39
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- What is the particular solution for y′=−6x+3 that passes through the point (−4,−8)? Do not include "y=" in your answer.Suppose that it costs c(x) = x3 - 6x2 + 15x dollars to produce x radiators when 8 to 30 radiators are produced and that r(x) = x3 - 3x2 + 12x gives the dollar revenue from selling x radiators. Your shop currently produces 10 radiators a day. About how much extra will it cost to produce one more radiator a day, and what is your estimated increase in revenue and increase in profit for selling 11 radiators a day?
