Find the limit.
sec 
A. 1
B. - 
C. 0
D. -1
Answer: A
Mathematics
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Factor and, if possible, simplify the expression.sin ? cot ? + cot ? - sin ? - 1
A. (cot ? + 1)(sin ? - 1) B. (cot ? - 1)(sin ? + 1) C. (cot ? sin ? - 1)(sin ? + 1) D. (cot ? - sin ?)(sin ? + 1)
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Use a power-reducing identity to find the exact value of the expression.sin2 (165°)
A. 
B. 
C. 
D. 
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Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = -3x2 - 30x - 74
A. 
B. 
C. 
D. 
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Provide an appropriate response.What are the x-intercepts of f(x + 2)?
A. -4, 2 B. -3, 0 C. -4, -2, 2 D. 0, 2, 6
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