• Matematika
  • Aljabar Kelas 10 SMA
  • Pertidaksamaan Rasional dan Irasional Satu Variabel
  • Pertidaksamaan Kuadrat

Video solusi : An object shot straight up, the height reached in 1 second expressed in meters. Given h(t)=32t - t^2 . How long the object is at a height of not less than 221 meters?

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