A linear revenue function is 
, where x represents the number of units sold. If 15 units are currently produced, determine the marginal revenue.
?
A. $44.51
B. $667.65
C. $15.00
D. $59.51
E. $652.65
Answer: A
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For the given measurement, briefly describe any likely sources of random error and any likely sources of systematic error.The average income of 100 people is calculated by using the incomes which they reported on credit card applications. These incomes are entered onto a computer and a statistical package is used to calculate the average income.
What will be an ideal response?
Let B denote the price of a bag of groceries at time t. It is found that 
changes sign from positive to negative at 
. What can be concluded about the graph of B at the point
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?
A. The graph of B reaches a maximum at .
B. The graph of B reaches a minimum at .
C. The graph of B is increasing at .
D. The graph of B is decreasing at .
Perform the indicated operation. Write the answer in scientific notation.(8.64 × 10-4) ÷ (4.5692 × 105) Give the answer to three significant digits.
A. 1.8909 × 101 B. 1.89 × 101 C. 1.89 × 10-9 D. 1.8909 × 10-9
Solve the equation.
= 1 + 
A. ? B. {-12} C. {-2, 4} D. {6, 10}