Solve.14 - x2 ? 0
A. [-
, 
]
B. (-14, 14)
C. [
, ?)
D. (-?, -
]
Answer: A
Mathematics
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Determine the amplitude, range, and period of the function and sketch its graph.y = sin (x + ?)
A. amplitude: 1; range: [2, 4]; period: 2?
B. amplitude: 1; range: [-1, 1]; period: 2
C. amplitude: 1; range: [-1, 1]; period: 2?
D. amplitude: 1; range: [-1, 1]; period: 2?
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Simplify.-
A. Not a real number B. -4 C. -5 D. -8
Mathematics
Decide whether or not the equation defines y as a function of x.y = 
A. No B. Yes
Mathematics
If $6,000 is invested at an annual rate of 9% per year compounded monthly, the future value S at any time t (in months) is given by 
. What is the amount after 1 year? Round your answer to the nearest cent.
?
A. $6,480.00 B. $17,668.08 C. $6,565.05 D. $6,045.00 E. $6,562.84
Mathematics