Solve the problem.Suppose that $7000 is invested at an interest rate of 5.8% per year, compounded continuously. What is the doubling time?
A. 12 yr
B. 11 yr
C. 2 yr
D. 13 yr
Answer: A
Mathematics
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Factor by grouping.x3 - 2x2 + 9x - 18
A. (x2 - 2x) + 9(x - 2) B. (x + 9)(x2 - 2x)(x - 2) C. x(x2 - 2x + 9) - 18 D. (x2 + 9)(x - 2)
Mathematics
Solve the problem.Prove that 
= sin2 ? by expressing each function in terms of its x, y, and r definition.
What will be an ideal response?
Mathematics
Solve the problem.A lawyer has 60 clients, 5% of whom are businesses. Find the number of business clients.
A. 3 clients B. 300 clients C. 30 clients D. 3000 clients
Mathematics
Find an equation that shifts the graph of f by the indicated amounts.f(x) = x2 + 2x - 7; left 2 units, down 11 units
A. y = (x + 2)2 + 2(x - 2) - 18 B. y = (x - 2)2 + 2(x + 2) + 18 C. y = (x - 2)2 + 2(x - 2) + 18 D. y = (x + 2)2 + 2(x + 2) - 18
Mathematics