Solve the problem.The future value of 
invested for 5 years at rate r, compounded annually, is given by 
. Find the rate r, as a percent, that gives a future value from $5610 to $6442, inclusive. Round to the nearest whole percent.
A. 7% ? r ? 15%
B. 6% ? r ? 9%
C. 8% ? r ? 13%
D. 7% ? r ? 10%
Answer: D
Mathematics
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Determine whether the given equation is the general solution or a particular solution of the given differential equation.
- 3xy = 0, y = e
x2
A. General solution B. Particular solution
Mathematics
Simplify.(4x + 7)2
A. 16x2 + 56x + 49 B. 4x2 + 56x + 49 C. 16x2 + 49 D. 4x2 + 49
Mathematics
Write a percent for both the shaded and unshaded parts of the figure.
A. 7% shaded; 93% unshaded B. 70% shaded; 30% unshaded C. 70% shaded; 3% unshaded D. 0.7% shaded; 99.3% unshaded
Mathematics
Use a calculator to help solve the equation. Round approximate answers to three places.-928.046 = -5.75 + x
A. {0.006} B. {-922.296} C. {-933.796} D. {161.399}
Mathematics