Solve.Yvette has up to $6000 to invest and has chosen to put her money into telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 5 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let x represent the amount (in dollars) invested in telecommunications and y represent the amount (in dollars) invested in pharmaceuticals.
A. x + y = 6000, x ? 5y, x ? 0, y ? 0
B. x + y ? 6000, x ? 5y, x ? 0, y ? 0
C. x + y = 6000, y ? 5x, x ? 0, y ? 0
D. x + y ? 6000, 5x ? y, x ? 0, y ? 0
Answer: B
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For selected years from 1978 to 2000, the number of mutual fundsN, excluding money market funds, can be modeled by 
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A. The number of mutual funds have increased from the previous year by 271.7. B. The number of mutual funds have increased from the previous year by 444.6. C. The number of mutual funds have increased from the previous year by 393.1. D. The number of mutual funds have increased from the previous year by 307.3. E. The number of mutual funds have increased from the previous year by 727.5.
Simplify.
A. 2a2
B. 2a
C. 16a
D. 2
Convert the polar equation to rectangular form.
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