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I need some help answering this question. Could you please help me. Thanks What is the equation of a line through (-1, 4) and (-2, 7)? What is the

I need some help answering this question. Could you please help me. Thanks


  1. What is the equation of a line through (-1, 4) and (-2, 7)?
  2. What is the period of y = 3cos ( 4x + π/2) + 5?

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