Solve the problem.A loan of $21,000 is made at 6% interest, compounded annually. After t years, the amount due, A, is given by the function A(t) = 21,000(1.06)t .Find the doubling time.
A. 34.3 yr
B. 23.8 yr
C. 18.9 yr
D. 11.9 yr
Answer: D
Mathematics
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Multiply and simplify.
A. 15
B. -15
C. 25
D. -25
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Find the area of the shaded region. y = x2 - 4x + 3
A. 
B. 
C. 
D. 3
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Simplify. 
A. 
B. 
C. 
D. 
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Evaluate the given function. Round to the nearest thousandth.f(x) = e2x - 1, f(-1)
A. 0.05 B. 5.718 C. -0.865 D. 20.086
Mathematics