Find dy.y = 2 cot  

A. -2x2 csc  dx
B. -2x2 csc2  dx
C. -2x3 csc2  dx
D. 2x2 csc2  dx

Answer: B

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 48 at    minimum: 0 at  
B. Maximum: none; minimum: 48 at  
C. Maximum: 48 at    minimum: -48 at   
D. Maximum: none; minimum: 0 at  

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Mathematics

Which federal law prompted states to write mathematics learning expectations for students?

a. Public Law 94-142 b. A Nation at Risk c. Equal Educational Opportunity Act d. No Child Left Behind

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Find the requested solution.Let f(x) = 6 + . Find all x for which f(x) > 3.

A. , or  ? 
B. , or  ?  
C. ?, or (-?, ?)
D. ?

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Factor completely. If the polynomial cannot be factored, say it is prime.12(x - 7)2 - 19(x - 7) - 21

A. (3x + 7)(4x + 3) B. (3x + 14)(4x + 10) C. (3x + 24)(4x + 35) D. (3x - 28)(4x - 25)

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Mathematics