Your monthly profit (in dollars) from selling magazines is given by 
where x is the number of magazines you sell in a month. If you are currently selling 
magazines per
month, find your profit and your marginal profit.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Solve the problem.Find the exponent that makes the equation true: 7n = 2401.
A. 4 B. 5 C. 11 D. 28
Mathematics
Evaluate the expression.
? 
+ 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.There are currently 51 million cars in a certain country, decreasing by 2.3% annually. How many years will it take for this country to have 21 million cars? Round to the nearest year.
A. 13 yr B. 148 yr C. 3 yr D. 39 yr
Mathematics
Provide an appropriate response.Correct and explain the following error:
0.1000
What will be an ideal response?
Mathematics