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Given that a quantity Q(t) is described by the exponential growth function. Need you savvy people to help me out, see attached? How do I prove (with calculus) m=-b/(2a) (the formula for finding maxs and mins)? Find Z and IT in a parallel circuit if R = 2.7k ohms and C = 330 pF when f = 50 KHz and V =4V / 0°.? As per the photon concept of light ,does a ray of light have an end in space and do different rays have different ends? Find the perimeter of a circular sector with a radius of 5 meters and an area of 17 square meters.?