Find the derivative.s = t8 - csc t + 13
A. 
= 8t7 + cot2t
B. 
= t7 - cot2t + 13
C. 
= 8t7 - csc t cot t
D. 
= 8t7 + csc t cot t
Answer: D
Mathematics
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Write the solution set to the inequality in interval notation.x < 9
A. (-?, 9] B. (-?, 9) C. [9, ?) D. (9, ?)
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Multiply.
? n
A. 
B. 
C. 
D. 63n
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Determine the real solutions to the system of nonlinear equations.ln x = 3 ln y3x = 27y
A. (9, 
)
B. (
, 9)
C. (3
, 
)
D. (
, 3
)
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Solve the equation. Give an exact solution.logx 
= -3
A. 1 B. 4 C. 3 D. 7
Mathematics