Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the inverse circular function.y = tan-1 x
A. 
B. 
C. 
D. 
Mathematics
Use reference angles to find the exact value of the expression. Do not use a calculator.sin 
A. 
B. - 
C. -1
D. - 
Mathematics
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x| > 3
A. [3, ?)
B. (-3, 3)
C. (-?, -3) ? (3, ?)
D. [-3, 3]
Mathematics
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.x = (y + 1)2 + 1
A. (-1, -1), right B. (1, -1), right C. (1, 0), left D. (0, 1), left
Mathematics