Solve the inequality. Express your answer using interval notation.
-1/2 > 0
A. (8, ?)
B. [8, ?)
C. (- ?, 8)
D. (- ?, 8]
Answer: C
Mathematics
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Graph the function.y = -2 sin 3x
A. 
B. 
C. 
D. 
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."{(-7, -7), (-6, -7), (-5, -3), (-4, -9)}
A. {(-7, -7), (-6, -3), (-5, -9)} B. not one-to-one C. {(-7, -9), (-7, -3), (-5, -6)} D. {(-7, -7), (-9, -3), (-5, -6)}
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 + 2i)(9 + 3i)
A. 6i2 + 27i + 27 B. 21 - 27i C. 21 + 27i D. 33 + 9i
Mathematics
Describe the natural domain of the function. f(x) = 
A. The set of all real numbers less than 8 B. The set of all real numbers except 0 C. The set of all real numbers D. The set of all real numbers except -8
Mathematics