Solve the inequality. Write the solution set in interval notation.x2 + 6x + 8 > 0

A. (-?, -4)
B. (-2, ?)
C. (-4, -2)
D. (-?, -4) ? (-2, ?)


Answer: D

Mathematics

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Perform the operations.  

A. 0 B. Undefined C. 8 D. 1

Mathematics

Add or subtract as indicated. Simplify if necessary. + 

A.  
B.  
C.  
D.  

Mathematics

Simplify using the order of operations.

A. -5 B. 5 C. 3 D. -3

Mathematics

Solve the problem.The expected future population of a small town, which currently has 7900 residents, can be approximated by the formula y = 7900(1.6)-0.3twhere t is the number of years in the future. Find the expected population of the town 40 years in the future.

A. 28 B. 3792 C. 0 D. 7900

Mathematics