Solve the problem. Round your answer to the nearest tenth.If $2000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $4000 at 9%?
A. 10.8 years
B. 6.2 years
C. 7.7 years
D. 8.0 years
Answer: C
Mathematics
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Find the real solutions of the equation.x4 - 8x3 + 16x2 + 8x - 17 = 0
A. {-4, 1} B. {-4, 4} C. {-1, 4} D. {-1, 1}
Mathematics
Perform the requested operation on the given function.f(x) = 5x2 - 8x, g(x) = x2 - 4x - 32Find 
(x).
A. 
B. 
C. 
D. 
Mathematics
Perform the operation indicated. Simplify.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = In = 
B. Im = 
, In = 
C. Im = 
, In =
D. Im = 
, In = 
Mathematics