Solve the problem.A retired couple invested a total of $160,000. They invested some of the money in safe certificates of deposit yielding 7%. The remainder they invested in AA bonds yielding 10% per year. In the first year they made a total profit of $14,200. How much did they invest at each rate?
A. $100,000 at 7% and $60,000 at 10%
B. $100,000 at 10% and $60,000 at 7%
C. $110,000 at 10% and $50,000 at 7%
D. $90,000 at 7% and $70,000 at 10%
Answer: B
Mathematics
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Cost: $309,500Recovery Period: 7-yearAfter: First Year
A. $247,600 B. $278,550 C. $233,703 D. $265,272
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A. 5.7% B. 0.057% C. 570% D. 57%
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Provide an appropriate response.For the function f(x) = 
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A. 
a- 3
B. 
a- 3
C. 
a- 15a
D. 
a- 15a
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