Use rational exponents to simplify the expression, if possible. Then, write the answer in radical form.
? 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.You purchase a 194-day, $1000 U.S. Treasury bill at 0.12% discount. On the date of maturity, you will receive $1000. How much did you actually pay for the Treasury bill?
A. $949.35 B. $1109.35 C. $1000.65 D. $999.35
Write the vector in the form ai + bj. 
A. 6i - 5j B. 6i + 5j C. 5i + 6j D. -5i + 6j
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
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 