Solve. Give an exact answer unless indicated otherwise.sin-1 x + 2 tan-1 x = ?
A. x = ± 
B. x = 1
C. x = ± 
D. x = 0
Answer: B
Mathematics
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Predict the general, or nth term, an, of the sequence.4, 16, 64, 256, 1024, . . .
A. 12n B. 4n-1 + 3 C. 4n D. 4 + 12(n - 1)
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Solve the inequality. Express your answer using interval notation. Graph the solution set.8 < 2x ? 12
A. (-6, -4]
B. (4, 6]
C. [4, 6)
D. [-6, -4)
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E ( X )
The probability density function of X is 
Compute the following quantity.
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Use your graphing calculator to determine if the equation appears to be an identity by graphing the left expression and right expression together. If so, then prove the identity.
?
What will be an ideal response?
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