Solve and give interval notation for the solution set. Then graph the solution set.-6 < 2x + 4 ? 2
A. [-5, -1)
B. (-5, -1)
C. (-5, -1]
D. [-5, -1]
Answer: C
Mathematics
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Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
B. 
- 
i
C. 
+ 
i
D. 
i
Mathematics
Find the inverse of the function.K = {(-6, -3), (3, 6), (-9, 7), (9, -7)}
A. K-1 = {(-7, -9), (-9, 3), (-3, -6), (7, 9)}
B. K-1 = {(-3, -6), (6, 3), (7, -9), (-7, 9)}
C. K-1 = {(-6, - 
), (3, 
), (-9, 
), (9, - 
)}
D. K-1 = {(-7, -9), (6, 3), (-3, 3), (7, 9)}
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Mathematics
Factor the difference of two squares.49x2 - 9
A. (7x + 3)2 B. (7x + 3)(7x - 3) C. (7x - 3)2 D. (49x + 1)(x - 9)
Mathematics