Solve and graph. Write the result in interval notation.a - 9 > -13
A. (-?, -4]
B. (-4, ?)
C. (-?, -4)
D. [-4, ?)
Answer: B
Mathematics
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Find the domain of the function.f(x) = 
A. (-?, -1) or (-1, ?) B. (-1, ?) C. (-?, ?) D. (-?, 0) or (0, ?)
Mathematics
Write a matrix equation equivalent to the system of equations.-2x + 8y + 3z = 0 2x + 2y - 2z = -12 2x + 6y + 6z = 44
A. 
=
B. 
=
C.
| ? |
= 
D.
= 
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.x(25x - 4) ? (5x + 1)2
A. 
B. 
C. 
D. 
Mathematics
Find the indicated roots. Write the answer in a + bi form.Cube roots of -8
A. -2, 1 + 
i, -1 - 
i
B. -2, -1 + 
i, -1 - 
i
C. -2, 1 + 
i, 1 - 
i
D. -2, -1 - 
i, 1 - 
i
Mathematics