SOLUTION: Ma-jellin' Insoles, Inc. has the marginal-demand function: D'(x)=(-2000x)/sqrt(25-x^2) where D(x) is the number of units sold at x dollars per unit. Find the demand function

Algebra ->  Finance -> SOLUTION: Ma-jellin' Insoles, Inc. has the marginal-demand function: D'(x)=(-2000x)/sqrt(25-x^2) where D(x) is the number of units sold at x dollars per unit. Find the demand function       Log On


   



Question 1115856: Ma-jellin' Insoles, Inc. has the marginal-demand function:
D'(x)=(-2000x)/sqrt(25-x^2)
where D(x) is the number of units sold at x dollars per unit. Find the demand function given that D=1300 when x=$3 per unit.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!








Let . Then

Substitute







But



When



So



So



Therefore



John

My calculator said it, I believe it, that settles it