Clara found a nickel, a quarter, two dimes, another quarter, and two pennies in her desk drawer, how much money did clara find?
2 answers:
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Answer:
Increasing by $66 per day
Step-by-step explanation:
If sales are dropping at a rate of 2 per day, the sales function is:
If price is increasing by $1 per day, the daily price function is:
Revenue is given by daily sales multiplied by daily price:
The derivate of the revenue function gives us the daily rate of change in revenue:
Currently (t=0) her daily revenue is changing by:
Her revenue is increasing by $66 per day.
To solve this problem you must apply the proccedure shown below:
1. The area of the rectangle is:
Where is the width and
is the length.
2. Based on the data given, solve for the width and then substitute the values of the length and the values of the area. Therefore, you have:
The answer is the second option: