Asked by urgent
A supply store sells 140 scientific calculators per month at a price of $24 each. For each $4 increase in price, sales will decrease by 10 calculators.
a) determine a revenue function based on the number of price changes. write the function in standard form
b) determine the marginal revenue for the revenue function in part a).
c) when is this marginal revenue function equal to zero? why is this calculation so important?
d) what is the total revenue when the marginal revenue is zero? what is the price of each scientific calculator and how many will be sold when the marginal revenue is zero?
a) determine a revenue function based on the number of price changes. write the function in standard form
b) determine the marginal revenue for the revenue function in part a).
c) when is this marginal revenue function equal to zero? why is this calculation so important?
d) what is the total revenue when the marginal revenue is zero? what is the price of each scientific calculator and how many will be sold when the marginal revenue is zero?
Answers
Answered by
Mrs.anonymous
I think it would be A.
Answered by
oobleck
suppose there have been x $4 increases. Then we have
(a) r(x) = (24+4x)(140-10x)
(b) dr/dx = ____
(c) dr/dx=0 at x=____ This is where the next sale will not add revenue
(d) find r(x) at (c) value
(a) r(x) = (24+4x)(140-10x)
(b) dr/dx = ____
(c) dr/dx=0 at x=____ This is where the next sale will not add revenue
(d) find r(x) at (c) value
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