Find the range of the polynomial function. f(x) = 3x2 + 18x + 23
A. (-?, 4]
B. [-4, ?)
C. [4, ?)
D. (-?, -4]
Answer: D
Mathematics
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The data in the figure below represents the annual salaries of 200 professional musicians.
The third quartile of the salaries of this group of musicians is approximately
A. $75,000. B. $70,000. C. $80,000. D. $60,000. E. none of these
Mathematics
Use a sum or difference identity to find the exact value.sin 255°
A. 
B. 
C. 
D. 
Mathematics
Graph the linear equation.y = -6x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The polynomial 
measures the concentration of a dye in the bloodstream x seconds after it is injected. Does the concentration increase between 14 and 15 seconds?
A. No B. Yes
Mathematics