## Answered) Thank you 1) A company's revenue from selling x units of an item is given as R=1500xx^2.

1)Â A company's revenue from sellingÂ xÂ units of an item is given asÂ R=1500xâˆ’x^2. If sales are increasing at the rate of 45 units per day, how rapidly is revenue increasing (in dollars per day) when 190 units have been sold?

2)Â A company selling widgets has found that the number of items sold,Â x, depends upon the price,Â pÂ at which they're sold, according the equationÂ x=90000/sqrt(3p+1).

Due to inflation and increasing health benefit costs, the company has been increasing the price by \$4 per month. Find the rate at which revenue is changing when the company is selling widgets at \$160 each.

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