5x2 + 12x + 2 = 0
A. 
B. 
C. 
D. 
Answer: C
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Consider the series
?
.
?
Determine whether the series converges or diverges.
?
If it converges, find its sum.
What will be an ideal response?
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?
Write the conjugate 
of the complex number z. Then find z
.z = 
- 
i
A. 
= 
+ 
i, z
= 
B. 
= 
+ 
i, z
= 0
C. 
= 
+ 
i, z
= 
D. 
= 
+ 
i, z
= 
Find the exact value of the indicated trigonometric function of ?.sin ? = - 
, tan ? > 0Find sec ?.
A. 
B. - 
C. - 
D. - 