Solve the problem.Roberto invested some money at 2.5%, and then invested $5000 more than twice this amount at 4%. His total annual income from the two investments was $1565.00. How much was invested at 4%?
A. $15,000
B. $26,000
C. $3100
D. $31,000
Answer: D
Mathematics
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Find the compound amount for the deposit. Round to the nearest cent. Assume continuous compounding.Amount: $34,513Interest rate: 4.5%Time: 10 years
A. $84,878.86 B. $54,127.16 C. $76,803.50 D. $93,803.23
Mathematics
Divide.
A. 18 B. 8 C. 0.8 D. 1.8
Mathematics
Consider the function given by
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Use a graphing utility to select the graph of the function.
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A. ??
B. ?
C. ?
D. ??
E. ??
Mathematics
Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x,y) = x3 - 12xy + 8y3
A. Saddle point at (2,1) B. Relative minimum at (2,1) and saddle point at (0, 0) C. Relative minimum at (2,1) and relative maximum at (0, 0) D. Relative maximum at (1, 2)
Mathematics