Divide.

A.
B. - 
C. 28
D. -28


Answer: D

Mathematics

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Use the precise definition of a limit to prove the limit. Specify a relationship between ? and ? that guarantees the limit exists.x4 = 16

A. ? = min; Let ? > 0 and assume 0 <  < ?. Then  =    =  That is, for any ? > 0,  = ? whenever 0 <  < ?, provided 0 < ? ? . Therefore, x4 = 16.
B. ? = min; Let ? > 0 and assume 0 <  < ?. Then  =    =  That is, for any ? > 0,  = ? whenever 0 <  < ?, provided 0 < ? ? . Therefore, x4 = 16.
C. ? = min ; Let ? > 0 and assume 0 <  < ?. Then  =    <  That is, for any ? > 0,  < ? whenever 0 <  < ?, provided 0 < ? ? . Therefore, x4 = 16.
D. ? = min ; Let ? > 0 and assume 0 <  < ?. Then  =    <  That is, for any ? > 0,  < ? whenever 0 <  < ?, provided 0 < ? ? 
Therefore, x4=16.

Mathematics

Solve the problem.Evaluate cos-1  degrees.

A. 180° B. 0° C. 90° D. -90°

Mathematics

Solve the equation.31 + 2x = 27

A. {-1} B. {3} C. {1} D. {9}

Mathematics

Rationalize the denominator. Write the quotient in lowest terms.

A.
B.  
C. 1
D.  

Mathematics