Simplify the factorial expression.
A. 
B. n + 12
C. 
D. n + 13
Answer: C
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The following table is generated from a linear function 
. Fill in the missing data points. Round your answer to two decimal places, if necessary.
x 3 6 9 12 y 16.02 26.82
What will be an ideal response?
Find the inverse of the function, and state the domain and range of the inverse function.f(x) = 3 + tan (?x) for - 
? x ? 
A. f-1(x) = ? tan-1 (x - 3); domain = (-?, ?); range = 
B. f-1(x) = 
; domain = (-?, ?); range = 
C. f-1(x) = 
; domain = (-?, ?); range = 
D. f-1(x) = 
; domain = (-?, ?); range = 
Write the percent as a fraction or mixed number in lowest terms.900%
A. 900 B. 90 C. 9 D. 9000
Solve the problem.Since life expectancy has increased in the last century, the number of Alzheimer's patients has increased dramatically. The number of patients in the United States reached 4 million in 2000. Using data collected since 2000, it has been found that the data can be modeled by the exponential function 
where x is the years since 2000. Estimate the Alzheimer's patients in 2025. Round to the nearest tenth.
A. 3.9 million B. 4.8 million C. 8.0 million D. 7.8 million