Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 2x + 8
A. increasing on (9, ?)
decreasing on (-?, 9)
B. increasing on (-?, 9)
decreasing on (9, ?)
C. increasing on (-1, ?)
decreasing on (-?, -1)
D. increasing on (-?, -1)
decreasing on (-1, ?)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Use properties to perform the calculations. Express answer in simplest form.
+ 
+ 
A. 
B. 
C. 
D. 
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Indicate whether the function is a constant function, linear function, quadratic function, or cubic function.y(x) = 15
A. Quadratic B. Linear C. Constant D. Cubic
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Find the number of elements in the sample space of the experiment.Choosing a committee of 4 from a club with 10 members.
A. 210 B. 40 C. 10,000 D. 5040
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