Solve.x2 + x + 2 = 0
A. - 
± 
B. - 
± 
i
C. 
± 
i
D. 
± 
Answer: B
Mathematics
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Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the domain of g.
A. 
B. 
C. 
D. 
Mathematics
Change the following mixed number to a fraction in the form 
, where a and b are integers and b ? 0. ?4
A. 
B. 
C. 
D. 
Mathematics
Express the sum using summation notation.
+ 
+ 
+ ... + 
A. 
B. 
C. 
D. 
Mathematics
Use a sum-to-product identity to rewrite the expression.sin 5° - sin 23°
A. 2 cos (-9.0°) sin 14.0° B. 2 sin (-9.0°) sin 14.0° C. 2 sin (-9.0°) cos 14.0° D. 2 cos (-9.0°) cos 14.0°
Mathematics