
John M. answered 02/16/21
Math Teacher/Tutor/Engineer - Your Home, Library, MainStreet or Online
R = 50x + 0.8x2 − 0.003x3
R' = MR = 50 + 1.6x - .009x2
R'(30) = 50 +1.6(30) - .009(30)2
= 89.9
Melissa E.
asked 02/16/21Suppose that the revenue (in dollars) from the sale of a product is given by R = 50x + 0.8x2 − 0.003x3
where x is the number of units sold. How fast is the marginal revenue MR changing when x = 30?
John M. answered 02/16/21
Math Teacher/Tutor/Engineer - Your Home, Library, MainStreet or Online
R = 50x + 0.8x2 − 0.003x3
R' = MR = 50 + 1.6x - .009x2
R'(30) = 50 +1.6(30) - .009(30)2
= 89.9
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