\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
The height of a plant \(t\) weeks after planting is given by \( H(t) = 5 + 2t \) cm.
  1. Find \( H(4)\)
    State what this value means
  2. Find \(t\) when \( H(t) = 15 \).
    Explain what this represents.
  3. Find the initial height of the plant.