Write the expression in interval notation. Graph the interval.x ? -4
A. [-4, ?)
B. (-?, -4)
C. [-?, -4]
D. (-?, -4]
Answer: D
Mathematics
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Given that ? is an angle in standard position whose terminal side contains the given point, provide the exact value of the indicated function.(-20, 48); sin ?
A. - 
B. 
C. - 
D. 
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Decide whether or not the arrow diagram defines a function.DomainRange 
A. Yes B. No
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Solve the problem.Your company uses the quadratic model y = -4.5x2 + 150x to represent the average number of new customers who will be signed on (x) weeks after the release of your new service. How many new customers can you expect to gain in week 24?
A. 3492 customers B. -792 customers C. 504 customers D. 1008 customers
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Find the angle 
between the vectors. Round your answer to two decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics