Solve the problem.Assume the cost of a car is $21,000. With continuous compounding in effect, find the number of years it would take to double the cost of the car at an annual inflation rate of 3%. Round to the nearest hundredth.
A. 23.10 yr
B. 3.32 yr
C. 354.85 yr
D. 331.74 yr
Answer: A
Mathematics
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Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + y2 = 113x - y = 1
A. {(-7, -8), (8, 7)} B. {(7, -8), (8, -7)} C. {(7, 8), (8, 7)} D. {(-7, 8), (-8, 7)}
Mathematics
Add.$7.81 + $0.62 + $32.94
A. $40.37 B. $41.47 C. $40.47 D. $41.37
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
A. f-1(x) = (x - 1)3
B. f-1(x) = x3 + 1
C. f-1(x) = (x + 1)3
D. f-1(x) = 
- 1
Mathematics
Factor completely.-45x3 + 75x2 - 20x
A. -5x(3x - 1)(3x - 4) B. x(3x - 1)(-15x + 20) C. -5(3x2 - 1)(3x - 4) D. x(-15x + 5)(3x - 4)
Mathematics