Question $49$

$2$ pts

Cyber Manufacturing determines that the daily revenue, in dollars, from the sale of $x$ laptops is $R(x)=0\mathrm{.}005x^{3}0\mathrm{.}03x^{2}0\mathrm{.}8x.$

Find the marginal revenue for $x=140$ and explain what it means.

The approximate revenue will increase $$303\mathrm{.}20$ with the sale of $141$ laptops

The approximate revenue will decrease $$303\mathrm{.}20$ with the sale of $141$ laptops.

The approximate revenue will decrease $ $303\mathrm{.}20$ with the sale of$140$ laptops

The approximate revenue will increase $$303\mathrm{.}20$ with the sale of $140$ laptops.