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 
Mathematics
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Solve the problem.The polynomial 1 + 7x + 21x2 is used to approximate 
on the interval 
. Use the Remainder Estimation Theorem to estimate the maximum absolute error.
A. ? 2.061 x 10-5 B. ? 3.642 x 10-5 C. ? 3.642 x 10-4
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Use the quadratic formula to solve the equation. (All solutions are real numbers.)
s2 + 
s + 
= 0
A. 
B. 
C. 
D. 
Mathematics
Select the correct graph, showing f and g are inverse functions.
?
?
A. 
B. 
C. 
D. 
E. 
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Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics