Solve. + 2 = 0

A. {4}
B. {-8}
C. {-11}
D. {1}


Answer: C

Mathematics

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A. ?
B.
C.
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The following table contains input-output values for a function. Is this function linear? 

A. Yes B. No

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Use half-angle identities to find the exact value of the expression.sin 22.5°

A. -  
B. -  
C.  
D.  

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