2017 Fall Calculus h Busiai t Homework: Section 4.5 Homework score: 0 of 1 pt Bus Econ 4.5.87 A firm has the marginal-demand function D' (x)- x $4 per unit HW Score: 85 1996, 23 of 27 pts Question Help * -2000x Find the demand function given that D 15,000 when 25-x 5000 10, The demand function is D(x) â¡ Enter your answer in the answer box and then click Check Answer Clear All