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. 7.8 million
B. 3.9 million
C. 8.0 million
D. 4.8 million
Answer: A
Mathematics
You might also like to view...
Evaluate the expression for the given replacement values.8x2 + 5x for x = 4
A. 108 B. 52 C. 148 D. 84
Mathematics
Find the equations of any vertical asymptotes.f(x) = 
A. x = 10, x = -10 B. x = -3 C. y = 3, y = -7 D. x = 3, x = -7
Mathematics
Find the equation of the hyperbola with the given characteristics.center at the origin, vertices at (0, 
) and (0, -
), asymptotes y = 
and y = - 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find a basis for the column space of the matrix.Let A = 
and B = 
.It can be shown that matrix A is row equivalent to matrix B. Find a basis for Col A.
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
, 
, 
Mathematics