Evaluate the determinant.
A. -43
B. -42
C. 43
D. 11
Answer: C
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Divide and simplify.
A. 
B. p-7
C. p7
D. p-1
Solve the problem.The table lists the percentage y of high school seniors that had used a certain drug within the previous month in a certain city for various years x. In this table 
corresponds to 1975 and x = 20 to 1995.
Determine whether a linear, quadratic, cubic, or quartic polynomial best fits this data.
A. Linear B. Quadratic C. Cubic D. Quartic
A manufacturer of light bulbs wants to produce 600 bulbs that last about hours but, of course, some bulbs burn out faster than others. Let F(t) be the fraction of the company's bulbs that burn out before t hours. F(t) lies between 0 and 1.
Let r (t) =F'(t). What is the value of 
Suppose the formula for wind chill C (in degrees Fahrenheit) is given by 
where v is the wind speed in miles per hour and T is the temperature in degrees Fahrenheit. The wind speed is 
miles per hour and the temperature is
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to estimate the maximum possible propagated error in calculating the wind chill. Round your answer to four decimal places.
?
A. 
B. ?
C. ?
D. ?
E. ?