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• How to solve for X. first row (8 ,-6) second row (-6,5) +4X= first row (-5,9) second row (4,4) ?
  
• How to sketch a graph of this function and determine if f is continuous at x = 3?
  
• When set the acceleration to the value required for the two balls to reach the finish line at the same time. Which of the following statements is/are true for this situation? The balls has same acceleration or same velocity or speed or al of above