Answer:Answer: Option A. -4x^8
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Answer:
hi! you can use desmos graphing calculator to help you graph these- just look it up and plug the equation in. its nice for future use as well. 
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and no , (5,10) isn't a solution to the equation because it falls under x≥2 but not under y<x+3. Hope this helps !
 
        
             
        
        
        
Its not really hard you just have to explain when like its not really complicated
        
             
        
        
        
Answer:??? sorry i dont know 
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Sin+cos=90
49+cos=90
cos=41