Solve the problem.Suppose that $5000 is invested in an account where interest is compounded continuously at 2.1% per year. What is the doubling time?
A. 3.3 yr
B. 3.0 yr
C. 33.0 yr
D. 0.3 yr
Answer: C
Mathematics
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Determine the vertex of the graph of the parabola.y = -3x2 + 12x - 13
A. (-2, -1) B. (2, -1) C. (-1, -2) D. (-1, 2)
Mathematics
Convert the radian measure to degrees. Round your answer to two decimal places. 3.6238
A. 208.13° B. 207.63° C. 208.63° D. 206.93°
Mathematics
Solve the problem using Bayes' Theorem. Round the answer to the nearest hundredth, if necessary.For mutually exclusive events X1, X2, and X3, let P(X1) = 0.20, 
and 
Also, 
P(Y?X2) = 0.30, and P(Y?X3) = 0.60. Find P(X2?Y).
A. 0.65 B. 0.19 C. 0.48 D. 0.33
Mathematics
Factor completely. State that the polynomial is prime if it cannot be factored.x2 + 8x + 15
A. (x + 15)(x + 8) B. (x - 5)(x - 3) C. (x + 5)(x + 3) D. (x + 15)(x - 1)
Mathematics