Solve the problem.Suppose that $6000 is invested at an interest rate of 5.4% per year, compounded continuously. What is the doubling time?
A. 13.8 yr
B. 2 yr
C. 11.8 yr
D. 12.8 yr
Answer: D
Mathematics
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Identify the type of surface represented by the given equation.
- 
- 
= 1
A. Hyperboloid of two sheets B. Elliptical cone C. Ellipsoid D. Hyperboloid of one sheet
Mathematics
Multiply.5(-11)(11)0
A. 605 B. 0 C. 5 D. -605
Mathematics
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 11
D. 7
Mathematics
Solve the equation. Find all real solutions.x4 = 10x2 + 11
A. ±2, ± 
B. ± 
C. -1, -11
D. 1, 11
Mathematics