Find the second derivative of the function.r = 
(6 - ?)
A. 
= 
- ?
B. 
= - 
- 1
C. 
= - 
- 1
D. 
= 
Answer: D
Mathematics
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Solve the problem.Find the average distance from a point 
in the annular region 
to the origin.
A. 
B. 
C. 
D. 
Mathematics
Convert the angle to degrees, minutes, and seconds.-54.19°
A. -54°21'24'' B. -54°11'24'' C. -54°11'14'' D. -54°21'14''
Mathematics
Find the composition. If f(x) = 
and g(x) = 7x + 8, find g[f(x)].
A. x
B. 7x + 48
C. x - 
D. x + 16
Mathematics
Solve the problem.In order for a chemical reaction to remain stable, its Celsius temperature must be no more than 
Find the Fahrenheit temperatures at which the reaction will remain stable. 
Round your answer to the nearest hundredth of a degree.
A. F ? 26.27° B. F ? 26.27° C. F ? 174.72° D. F ? 174.72°
Mathematics