A company finds that if it charges x dollars for a cell phone, it can expect to sell 1,000−2x phones. The company uses the function r defined by r(x)=x⋅(1,000−2x) to model the expected revenue, in dollars, from selling cell phones at x dollars each. At what price should the company sell their phones to get the maximum revenue?

$500 will give the company the maximum revenue

Step-by-step explanation:

Given

Required

Price to generate maximum revenue

We have:

Open bracket

Rewrite as:

The maximum value of x is calculated using:

Where:

So:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

7

step-by-step explanation: